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Western Auto (Brother) Typewriter Serial Numbers

Also known as Brand: Brother • Antares (Brother) • Bradford • Brother (Messa) • Brother Prestige • Continental (Brother) • Cornelia Rekord • Coronado • Kmart (Brother) • Lemair • Lemair-Helvetia • Majestic • Montgomery Ward • Privileg (Brother) • Remington (Brother) • Vendex • Webster • Wedgefield • Western Auto (Brother) • Wizard TrueType

Serial Number Table Last Edited: 05/5/22 04:46
NOTE: dates shown are JAN 1 unless noted, so the serial number shown is the *first* serial number produced the given year. Exceptions are serial numbers preceded by "up to"(where you can assume that the numbers reported in that subsection are DECEMBER 31, END OF YEAR NUMBERS) or rows where a month is given in the month column. If the serial number is shown as a range (xxxx-xxxx) it indicates that we know the entire range of serial numbers for the given year.

AX Gamma (γ) Series 1987-1990 Two distinct series: (UK) AX 15, 25, 30, 35, 40, 45 and (USA) AX 18, 22, 24, 26, 28, SX-16, 23 AX/GX Alpha (α) Series 1990 – 1994 Models: Models: AX-110, 130, 140, 145, 230, 250, 350, 450, 500, 550, GX-6000, 7000, 7500, 8000, 8500, 9000

Models and s/n	Y	M	D	Remarks	Ref.
Portables, Desk Models, Electrics and Electronics
				Brother serial numbers have an embedded date code which tells you the Month (usually), and the final digit of the year the machine was made. There is no "decade" code, so in order to tell if a serial number starting with "A4" was made in January 1964, 1974, 1984 or 1994, one has to examine general telling construction features in models that were made over several decades to determine the decade in which it was made. The branding can also be helpful.	43,44
Serial Location				Brother serial numbers are stamped onto a metallic label that is applied to the back shell of the machine. Usually the label will state "Built in Nagoya, Japan" or some variation of this, and on Store-Branded machines, will also state the store's model designation.
RULE ONE (Month Code)				The First Digit of your serial number is usually a letter. This is the "Month Code" which tells you what month your machine was made in. The letters are A through M, omitting "I" (which could be mistaken for the number "1"). A = January B = February C = March D = April E = May F = June G = July H = August J = September K = October L = November M = December Note that we have seen more than a few examples here in the Database which have no letter month code. It seems to be the case that in these examples, the first digit is the "Year Code". (see below) NOTE: Many early examples of the JP-1 have the date code "P". These all appear to be first year of production 1961 machines - Valiants, Wizard Truetypes and Bradfords with wire-loop paper rests. It is probable that Brother used the "P" prefix when ramping up initial production, and then later reverting to the Month Codes listed above.	43,44
RULE TWO (Year Code)				The Second Digit of your serial number is a number from 0-9. This is the "Year Code", and is the final digit of the year that the machine was made in. To find out what decade your machine was made in, it is necessary to consider in which decade the model was made, and certain features in models that were made for multiple decades. (see below)	43,44
RULE THREE (after 1980)				The Third and Fourth Digit of many serial numbers beyond 1980 are numbers from 0-9. These are a "Model Code" in serial numbers that have them. Source #44 tells us the Model Codes for the circa 1985 2024L Dot Matrix Printer, and these are the only ones we know for sure. Examination of examples in the database suggest that early models such as the JP-1 do not have model codes. It is possible that electronic wedge machines do.	44
RULE FOUR (Find Your Decade Range)				How to figure out the Decade in which your machine was manufactured. Now that your serial number has informed you which month and the final digit of the year that your machine was made in, what remains is to figure out which decade it was created in. Brother has been building machines (not only typewriters, but sewing machines, word processors, computer printers and other appliances) since 1961 up to the present day. These machines all have a serial number that follow the above patterns. Thus, to find the decade, you need to find out what specific MODEL TYPE your typewriter is. This is not the "Model" designation that is stated on the machine itself, although you can sometimes determine the MODEL TYPE from the "Model" designation. Brother typewriters were branded in a dizzying array of Brands and Models, though, so it's usually more useful to refer to what the machine looks like and what it's features are. Below is a table defining the 21 "JP" MODEL TYPES, what models were generally contained within that MODEL TYPE, what years they were in production, and what features to look for within certain decades.	47
Example				Let's take some examples from a collector with a wide variety of MODEL TYPEs to try out. Here's a good one, the Brother section of Mr. Martin's Typewriter Museum. First one, his Signature 510D serial #C00557290. This large-ish manual is a JP-3, only made between 1964 and 1975. It would be March (C), 1970 (0). Second, the Brother Accord 10 serial #G81552668 would be a JP-7 made in July (G), 1978 (8), as the JP-7 was only made between 1975 and about 1984. Third, his Brother Opus 885 serial #D9387228 would be a JP-1 with white keytops and straight-bar paper rest that would have to have been made between 1964 and 1974. Thus April (D), 1969 (9). The fourth one, the Brother Correct-O-Ball XL-1 serial #H11305441 is a JP-11, made from 1977 to around 1984. August (H), 1981 (1). I recognize the next two examples as a JP-10 and a JP-12 without serial numbers provided for exact dating.


MODEL TYPE: JP-1				Small, flat, carriage-shifted portable manual typewriter. Manufactured in at least 6 different metal shells, and at least one rounded plastic shell. Brother JP-1 Typewriter Service & Repair Manual Printed Book
x1xxxxx	1961			JP-1 Began. Features: White keytops, wire loop paper rest that folds over machine, or on less expensive models, no paper rest, but a metal carriage shell painted the same color as the rest of the shell. Known Models: Brother Valiant, Bradford, Brother Deluxe, Wizard TrueType
x2xxxxx	1962			Known Models: Valiant, Bradford, Wizard Truetype
x3xxxxx	1963			Known Models: Signature 100 (Montgomery Ward begins branding Brothers in this year), Valiant, Bradford, Wizard Truetype
x4xxxxx	1964			JP-1 Design change: Wire loop paper rest discontinued sometime in 1964. Replaced with straight bar switchblade-style paper rest. White keytops continue. JP-1 Models made prior to this design change will have WHITE keytops and WIRE LOOP PAPER REST or NO PAPER REST. Models made after will have WHITE keytops and STRAIGHT BAR PAPER REST. Known Models: Brother 700, 1200, 1600, 2000. (these ended 1977?) Brother 800, 800T, 850TR, 900, 1350, 660. (these ended 1979?) Charger 11, K-Mart 100, Signature 440 (metal, dk grey with white keys), Valiant, Bradford, Wizard Truetype
x5xxxxx	1965			Known Models: Webster, Brother Deluxe, Wizard Truetype, Typemaster
x6xxxxx	1966			Known Models: Brother DeLuxe, 895, Wizard TrueType, Signature 440T (metal, white w/dk grey keys or dk grey with white keys), Sears, K-Mart 100
x7xxxxx	1967			Known Models: Brother Charger 870, DeLuxe, Opus 888, Webster XL-500, K-Mart 100, Majestic 600, Wizard Truetype
x8xxxxx	1968			By 1968, Brother began manufacturing Cycolac plastic-shelled JP-1 typewriters for Montgomery Ward and other retailers. Known Models: Brother DeLuxe, Signature 440T (plastic, brown), Webster XL-500, K-Mart Deluxe 100, Wizard Truetype
x9xxxxx	1969			Known Models: Brother Pro-Line 715, Deluxe, Opus 885, Webster XL-500, XL-800, Signature 440T (plastic, brown), Wizard Truetype
x0xxxxx	1970			Known Models: Brother Opus 888, 889, Pro-Line 714, Echelon 77, Echelon 91, Webster XL-747, Signature 300T (plastic, beige), 440T (plastic, yellow), Wizard Truetype
x1xxxxx	1971			Known Models: Brother Deluxe 1350, Valiant 391, Webster XL-747, Wedgefield 100, Majestic 812, Wizard Truetype
x2xxxxx	1972			Known Models: Brother Charger 11, Activator 899, Wizard Automatic, Wedgefield 100
x3xxxxx	1973			Known Models: K-Mart 200
x4xxxxx	1974			In late 1974 and 1975, all JP-1 models were gradually migrated from having white keytops to black keytops. JP-5 and JP-7 manual typewriters began, and they all have black keytops. JP-1 Models made prior to this design change will have WHITE keytops. Models made after will have BLACK keytops. (exception: many 1966 Signature 440T models have DARK GREY keytops)
x5xxxxx	1975			Known Models: Brother 300T, 1300, 1350, Performer (333RS), 800, 800T, 850TR, 900, Charger 11 (C-11), Sears Correction, Celebrity 12 with Correction, Majestic 600, 812
x6xxxxx	1976			Known Models: Brother Charger 11
x7xxxxx	1977			JP-1 minor design changes, Many metal-shelled models now have a black plastic carriage shell piece with paper rest omitted. Began Brother Models 100, 200, 210, 222, 240T, 250TR, 262TR. Known Models: Brother Charger 11
x8xxxxx	1978			Known Models: Brother M100, Charger 11 (C-11), 200, 210, 220, 240T, 250TR, 300, 300T, 350TR, 800, 800T, 850TR, 900, 1300, 1350, Performer (333RS).
x9xxxxx	1979
x0xxxxx	1980			Many Brother typewriters of 1980 have a sticker celebrating "10 million typewriters made 1961-1980" Known Models: Brother Deluxe 220, Citation Correction
x1xxxxx	1981
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-1 was still either in production, or was at least still under warranty.
x3xxxxx	1983
x4xxxxx	1984
x5xxxxx	1985			Known Models: Brother Charger 11
x6xxxxx	1986
x7xxxxx	1987			Known Models: Brother Charger 11


MODEL TYPE: JP-2				Small, portable, Electric typebar typewriter. Distinctive Push-button ribbon color selector.
x5xxxxx	1965			JP-2 Began.	49
x8xxxxx	1968			JP-2 Offered in 1968 Montgomery Ward Christmas Catalog as "Signature 1010".
x5xxxxx	1975			JP-2 Modified. Known Models: Brother 6211, 6213, 711, 713, Signature 1010D, 1013D, 1003D.
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-2 was still either in production, or was at least still under warranty.
x4xxxxx	1984			I've found no evidence that the JP-2 was manufactured past 1984.


MODEL TYPE: JP-3				Large, portable, Segment-Shifted Manual typewriter. Distinctive Push-button ribbon color selector.
x4xxxxx	1964			JP-3 Began. Known Models: Signature 510, 511, 510D, 511D
x5xxxxx	1965			Known Models: Signature 500, 510
x9xxxxx	1969			Known Models: Brother Pro-Line 715
x0xxxxx	1970			Known Models: Signature 510D, Brother Echelon 91
x1xxxxx	1971			Known Models: Signature 511D, Brother Opus 901
x5xxxxx	1975			JP-3 Discontinued.


MODEL TYPE: JP-4				Compact Electric typebar typewriter.
x4xxxxx	1964			JP-4 Probably began.
x0xxxxx	1970			JP-4 Confirmed existed. Known Models: Brother 1210, 1220, 1230, 1720, 1730, XL-3000, 4011, Remington 611, 612, Signature 810, 811D, 812D	47
x1xxxxx	1971			JP-4 Modified. Known Models: Brother 1230, 1730, 4511, Remington 612, Signature 812	47
x3xxxxx	1973			JP-4 Modified. Known Models: Brother 1230, 1730, Signature 812D, Webster XL3000, Wedgefield 1000, Remington Monarch 611, Automatic 613	47
x5xxxxx	1975			JP-4 Probably Discontinued.


MODEL TYPE: JP-5				Segment-Shifted, Plastic-Shelled, portable Dowel Rod Manual typewriter.
x4xxxxx	1974			JP-5 Began. Known Models: Brother 1600, 1613, Full-Matic 24
x5xxxxx	1975			JP-5 Confirmed Existed. Known Models: Sears Manual 1, Manual 2	47
x6xxxxx	1976			Known Models: Sears Manual 1, Manual 2
x1xxxxx	1981			Known Models: Brother Deluxe 1613
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-5 was still either in production, or was at least still under warranty.	47
x4xxxxx	1984			I've found no evidence that the JP-5 was manufactured past 1984.


MODEL TYPE: JP-6				Brother MODEL TYPE pattern suggests that if it did exist, it would have been an Electric Typebar machine.
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for DOES NOT mention the JP-6.	47


MODEL TYPE: JP-7				Deluxe Plastic-Shelled, portable, Dowel Rod Manual typewriter.
x5xxxxx	1975			JP-7 Began. Known Models: Brother 700, 700T, 750TR, 760TR, 762TR
x6xxxxx	1976			JP-7 Began. Known Models: Brother 300 Deluxe 12
x7xxxxx	1977			Known Models: Brother M650TR, M660TR, M662TR, M700, M700T, M750TR, Accord 10, M750TR (Arabic), M760TR, M760TR (With Variable Platen), M760TR (Arabic), M762TR, Accord 12, M762TR (With Variable Platen), M762TR (Arabic), K-Mart 300 Deluxe 12
x8xxxxx	1978			Known Models: Brother Accord 10
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-7 was still either in production, or was at least still under warranty.	47
x4xxxxx	1984			I've found no evidence that the JP-7 was manufactured past 1984.


MODEL TYPE: JP-8				"Full" Electric Typebar portable.
x1xxxxx	1971			Models Known: Brother 3500, 3512, 4500, 4512.	47
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-8 was still either in production, or was at least still under warranty.	47


MODEL TYPE: JP-9				Probably an Electric Typebar portable.
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for DOES NOT mention the JP-9.	47


MODEL TYPE: JP-10				Portable Electric typebar typewriter with Cassette Ribbon.
x5xxxxx	1975			JP-10 Probably Began.
x6xxxxx	1976			Design change to electrical components and power roll.	47
x1xxxxx	1981			Design change, major revision to Parts & Service manual.	47
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-10 was still either in production, or was at least still under warranty.	47
x3xxxxx	1983			Known Models: L-10, XL-10, XL20, XL-80.
x4xxxxx	1984			I've found no evidence that the JP-10 was manufactured past 1984.


MODEL TYPE: JP-11				Portable Correcting Electric Ball Element typewriter.
x7xxxxx	1977			JP-11 Probably Began.
x1xxxxx	1981			Known Models: Brother Correct-O-Ball XL-1, 7200, Super 7200, Super 7200D, 7300, Super 7300, Super 7300D	47
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for DOES NOT mention the JP-11.	47
x3xxxxx	1983			Known Models: 7300.
x4xxxxx	1984			Known Models: 7300.


MODEL TYPE: JP-11X				Electronic Daisywheel typewriter. (CE Series)
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for DOES NOT mention the JP-11x.	47
x4xxxxx	1984			Known Models: CE-25, Compactronic I	47
x5xxxxx	1985			Known Models: Brother CE-25, CE-222, CE-30, CE-35, CE-333, Correctronic 35, Compactronic 333, Student-Riter XL1, Pro-Riter XL II	47
x6xxxxx	1986			Known Models: Brother CE-25, CE-222, CE-35, CE-333	47
x8xxxxx	1988			Known Models: Brother CE-30


MODEL TYPE: JP-12				Portable Electric typebar typewriter with Cassette Ribbon.
x2xxxxx	1972			Known Models: Brother Electric 3000 (Spiegel Christmas Catalog 1972)
x7xxxxx	1977			Known Models: Model M4612, Profile AUTOMATIC 12, M3112, Profile ELECTRIC 12, M4600, Fairmont AUTOMATIC 12, M3612, M3600, M4812, M4712, Correct-O-Riter I.	47
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-12 was still either in production, or was at least still under warranty.	47
x5xxxxx	1985			Known Models: Correct-O-Riter


MODEL TYPE: JP-12X				Electronic Daisywheel typewriter. (AX Series)
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for DOES NOT mention the JP-12X.	47
x5xxxxx	1985			Known Models: Brother AX-10, AX-12, AX-15M, AX-20, AX-33, B-10M, Compactronic 300M, Compactronic 310, Compactronic 350, EM-30, EM-30 II, EM-31	47
x6xxxxx	1986			Known Models: Brother AX-10, AX-12, Compactronic 300	47


MODEL TYPE: JP-13				No information known.
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for DOES NOT mention the JP-13.	47


MODEL TYPE: JP-14				Portable Correcting Electric Ball Element typewriter. (Correct-O-Ball)
x8xxxxx	1978			JP-14 Began. Known Models: Brother Select-O-Riter, Select-O-Riter II, Selecta 7500, 7600, Super 7800, Correct-O-Ball XL-7800, Super 7900	47,49
x2xxxxx	1982			A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-14 was still either in production, or was at least still under warranty.	47


MODEL TYPE: JP-15, JP-15X				Electronic Daisywheel typewriter. (EM Series)
x0xxxxx	1980			Known Models: EM-1 (JP-15)	49
x2xxxxx	1982			Known Models: EM-1, EM-2 (JP-15) A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-15 was still either in production, or was at least still under warranty. This document DOES NOT mention the JP-15X.	47
x3xxxxx	1983			Known Models: EM-1, EM-2 (JP-15) Known Models: EM-100, EM-200, EM-701, EM-711 (JP-15x)	47
x4xxxxx	1984			Known Models: EM-1, EM-2 (JP-15) Known Models: EM-80, EM-85, EM-100, EM-200 (JP-15x)	47
x5xxxxx	1985			Known Models: EM-1, EM-2 (JP-15) Known Models: EM-200, EM-501, EM-511, EM-701, EM-711 (JP-15x)	47
x6xxxxx	1986			Known Models: EM-1, EM-2 (JP-15) Known Models: EM-80, EM-85, EM-100, EM-200, EM-250, EM-501, EM-511, EM-701, EM-711, EM-811, EM-1000 (JP-15x)	47


MODEL TYPE: JP-16				Electronic Daisywheel typewriter with Moving Carriage.
x1xxxxx	1981			Known Models: Brother M8300, M8400, M9300 (JP-16)	47
x2xxxxx	1982			Known Models: Brother M8300, M9300 (JP-16) A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-16 was still either in production, or was at least still under warranty.	47,49
x3xxxxx	1983			Known Models:	47
x4xxxxx	1984			Known Models: Brother M8300, M9300 (JP-16)	47
x5xxxxx	1985			Known Models:	47
x6xxxxx	1986			Known Models: Brother M8300, M9300 (JP-16)	47


MODEL TYPE: JP-16X, JP-16XX				Electronic Daisywheel typewriter. (CE Series)
x2xxxxx	1982			Known Models: CE-50, Correctronic 50, CE-60, Compactronic 60, Executron 65 (JP-16X) A 1982 addendum showing which models the technician was expected to keep specialized tools for suggests that the JP-16 was still either in production, or was at least still under warranty.	47,49
x3xxxxx	1983			Known Models: CE-40, Correctronic 40, CE-70, Executron 70 (JP-16X)	47
x4xxxxx	1984			Known Models: CE-40, CE-45, CE-50, CE-58, Compactronic 58, CE-60, CE-65, CE-68, Executron 68, CE-70 (JP-16X)	47
x5xxxxx	1985			Known Models: CE-40, CE-45, CE-50, CE-50XL, CE-58, CE-555, CE-60, CE-65, CE-68, CE-666, CE-70, EM-80, EM-85 (JP-16X)	47
x6xxxxx	1986			Known Models: EM401, Professional 90, Professional 400, CE-40, CE-45, CE-50, CE550, CE-555, CE-58, CE-60, CE-65, CE-666, CE-68, CE-70 (JP-16X) Known Models: EM411, CE650, X70, Professional 80, Professional 440 (JP-16XX)	47
x7xxxxx	1987			Known Models: Professional 95, Professional 420, Professional 460 (JP-16XX)	47


MODEL TYPE: JP-17				Unknown. I have no record of a JP-17 ever existing.


MODEL TYPE: JP-18				Electronic Daisywheel typewriter. (AX Series) AX Alpha (α) Series 1985-1989 Models: AX 10, 12, 12M, 20, 30, EM-30, 31, SX-14 (dual platen knob models)	171
x5xxxxx	1985			Known Models: AX-10 (JP-18).	49
x7xxxxx	1987			Known Models: AX-24, AX-22, AX-26, AX-28, AX-18. AX-15, Correctronic 320, Correctronic 340, Correctronic 360, Correctronic 380 (JP-18). Note: The AX-24 and Correctronic 340 are "V20 Type" (Made in USA) vs. "V10 Type" (Made in Japan). Note: The AX-26 and Correctronic 360 are "V30 Type" vs. "V10 Type". Note: The AX-28 and Correctronic 380 are "V30 Type" vs. "V10 Type".	47
x8xxxxx	1988			Known Models: AX-25 (JP-18). Note: The AX-25 is "V25 Type" (Made in USA) vs. "V10 Type" (Made in Japan).	47
x9xxxxx	1989			Known Models: AX-22, AX-24, SX-16, SX-23, HQ-220, Correctronic 145, Correctronic 340 (JP-18). Note: The AX-24, SX-23, HQ-220 and Correctronic 340 are "V62 Type" (Made in USA) vs. "V61 Type" (Made in Japan).	47


MODEL EP Series				Portable Electronic Thermal Dot-Matrix typewriter. (EP Series)
x2xxxxx	1982			EP Series started. Known Models: EP-20
x3xxxxx	1983			Known Models: EP-20, EP-22
x4xxxxx	1984
x5xxxxx	1985			Known Models: EP-43, EP-44, Type-A-Graph
x6xxxxx	1986
x7xxxxx	1987			Known Models: EP-5, EP-150	47


MODEL AX/GX Series				Electronic Daisywheel typewriter. (AX, GX) [in Japan, known as JP-16 model] AX Beta (β) Series 1986-1988 (USA) Models: AX 15, 15M, 20, 33, Compactronic 300, 300M, 310, 350 (single platen knob models)	171
x6xxxxx	1986			AX-β Series started.	171
x7xxxxx	1987				171
x8xxxxx	1988
x9xxxxx	1989			Known Models: AX-250, AX-350, AX-110, AX-120, GX-6000, GX-7000	47
x0xxxxx	1990				171
x1xxxxx	1991
x2xxxxx	1992			Known Models: GX-6000 AX/GX Beta (-β ) 1992-1994 Models: AX-210, 230, 240, 300, 400, 450, 500, 600, GX-6500, 7500, 8500, 9500	47, 171
x3xxxxx	1993


MODEL SX/GX Series				Electronic Daisywheel typewriter. (SX, GX) Scalloped body style in light grey. AX/GX Gamma (γ) 1994 – 2005 Models: AX-100, 300, 310, 325, 330, 340, 360, 375, 410, 425, 430, 550, 625, SX-4000, GX-6500, 6750, 6750SP, 8250, 8500, 8750, 9750, (Malaysia) ML 100, 300, 500	171
x4xxxxx	1994
x5xxxxx	1995
x6xxxxx	1996
x7xxxxx	1997
x8xxxxx	1998
x9xxxxx	1999
x0xxxxx	2000
x1xxxxx	2001			Known Models: SX-4000
x4xxxxx	2004			Known Models: GX-7750
x5xxxxx	2005			Known Models: SX-4000


MODEL WP-1α Series				Electronic Word Processing typewriter. (WP-1α Series)
x7xxxxx	1987			WP-1α Series started. Known Models: WP-1, WP-5, WP-55, WP-500	47,49
x9xxxxx	1989			Known Models: WP-5, WP-75, WP-80, WP-85, WP-660, WP-6, WP-490, WP-4U, LW-1, WP-60, WP-65, WP-200, CT-1050	47
x7xxxxx	1997			Known Models: WP-5600 MDS

Western Auto (Brother) Typewriter Models: Western Auto (Brother) Citation, Western Auto (Brother) Citation Correction, Western Auto (Brother) Wizard Automatic, Western Auto (Brother) Wizard Infinite Tabulator, Western Auto (Brother) Wizard Tabulator, Western Auto (Brother) Wizard Truetype, Western Auto (Brother) Wizard Trutab

Reference numbers * Indicates source data the current list maintainer has access to. Usually it means we have a copy of the document in question, but it might be in the form of a later edition list. However, for the purposes of validation we have been able to confirm the source.

No.	Literature
1	* Century of the Typewriter, Wilfred A. Beeching, publ. by the British Typewriter Museum, 1974, 1990, ISBN 0951679007
2	* Joan Sales,"Date your Underwood Typewriter" - Website : http://www.oocities.org/heartland/cottage/5405/serial.htm, reference to Richard Polt (note: The source for this article was at least partially Ref. #18)
3	Allowance Sheet 1918, made available by Andrew B. Schrader
4	Ernst Martin, Die Schreibmaschine und ihre Entwicklungsgeschichte(The Typewriter and the history of it's developement), publ. by Johannes Meyer Verlag and Basten International, 1920 to 1949 and reprints
5	* Darryl Rehr, Antique typewriters, by Schroeder publishing, Los Angeles, 1997, ISBN 0891457577 see: http://home.earthlink.net/~dcrehr/book/book.html
6	* Typewriter Age Guide, publ. by Office Machines and Equipment Federation, London, copies contributed by Mr. Bruce Beard, Australia (note: this reference same as #28)
7	* "Liste der Herstellungsdaten gangbarer Schreibmaschinen" Listing of the production dates of commen typewriters), publ. by Wochenschrift für Papier, Otto Hoffmann Verlag, 1941, Berlin, copies contributed by Mr. Paul Roberts, Netherlands. Current copy from the collection of Ryk van Dijk, scanned by Marlies Louwes.
8	* Richard Polt, adapted from the book of Paul Lippman, American Typewriters: A Collector's Encyclopedia (1992) and corrected, based on a list publ. in ETCetera #4 see: http://www.aquaporin4.com/etcetera/ETC.04.pdf
9	"Fabriknummernverzeichnis" (Factory number Listing), booklet which could be purchased optionally with book reference No. 4, edition 1941, publ. by Johannes Meyer Verlag, Pappenheim 1941
10	"Fabrikationsdaten von Schreibmaschinen", listing of typewriter serial numbers for dealer's, 1942 and 1935, publ. by Carl Teege Verlag, Hamburg
11	Ames Supply General Catalog from 1949
12	Information contributed by Will Davis, see : ~~http://www.hometown.aol.com/page3.html~~
13	Liste der Herstellungsdaten deutscher und auslaendischer Schreibmaschinen, 10 Auflage, 1955, publ. by Burghagen Verlag, Hamburg (small book, pre-owned by the Adler Werke vorm. Heinrich Kleyer, Frankfurt)
14	* Leonhard Dingwerth, Kleines Lexikon Historischer Schreibmaschinen (Small Lexicon of Historical Typewriters), publ. by Kunstgrafik Dingwerth, Eichendorffstr. 77, D-33415 Verl
15	* Office Typewriter Age List No. 26, publ. by Smith-Corona, by courtesy of Mr. Ron Fuller, Los Angeles, USA (note: this reference same as #22)
16	* American Typewriters - A Collector's Encyclopedia by Paul Lippman, 1992, Hoboken
17	* National Office Machine Dealers Assoc. "Blue Book" (NOMDA), 1964, provided by Bill Wahl
18	* Remington Information Binder (The Sheridan Binder), 1950's to 1970's, provided by Richard Polt. see: http://munk.org/typecast/2011/09/07/in-preparation-for-an-updated-typewriter-serial-number-database-royal-portables/
19	* Interview with P. Birchmeier, Aug. 2012, reported by Georg Sommeregger. see: http://groups.yahoo.com/group/theportabletypewriterforum/message/31895
20	* National Office Machine Dealers Assoc. "Blue Book" (NOMDA), 1980, provided by Bill Wahl. see: http://munk.org/typecast/2011/04/22/national-office-machine-dealer-association-1972-typewriter-age-guide/
21	* VOSS Schreibmaschinen, 2012, published by Georg Sommeregger. see: https://www.sommeregger.name/typewriters/collection/VOSS.html https://www.sommeregger.name/typewriters/collection/voss_52.html https://www.sommeregger.name/typewriters/collection/voss_24_typewriter.html https://www.sommeregger.name/typewriters/collection/voss_klein_voss.html https://www.sommeregger.name/typewriters/collection/voss_privat.html
22	* Smith-Corona Age List #26, 1960, provided by Bill M. see: http://offountainpenstypewriters.blogspot.com/2012/02/typewriter-serial-numbers.html and: http://offountainpenstypewriters.blogspot.com/2012/02/moretypewriter-serial-numbers.html
23	* Shipman-Ward Office Machine Dealer's Line Book, Jan 1, 1954, provided by Bill Wahl. see: http://munk.org/typecast/2013/01/05/shipman-ward-dealers-line-book-1954%E2%80%93part-2-age-lists/
24	* H.F.W. Schramm, Liste der Herstellungsdaten deutscher und ausländischer Schreibmaschinen, 11th edition, Hans Burghagen Verlag, Hamburg 1962 - copy provided by Georg Sommeregger. Additional copy from the collection of Ryk van Dijk, scanned by Marlies Louwes.
25	* P. Frensel, Die Entwicklung der ehemaligen DDR-Schreibmaschinen-Produktion (einschliesslich der bis 1945 produzierten Schreibmaschinen in diesem Gebiet sowie der Produktion ab 1990), in: Schreibmaschinen- und Bureau-Zeitung, Nr. 10/1999, Nr. 11/2000, Nr. 12/2000 (originally published in: Mannheimer Hefte für Schriftvergleich, Nr. 1-2/1999) - provided by Georg Sommeregger and later by Otto Koponen "The development of the former GDR typewriter production (including typewriters produced on its territory until 1945 and production after 1990)"
26	* "The Writing Machine (A history of the typewriter)" Michael H. Adler
27	* "Antique Typewriters from Creed to QWERTY" Michael H. Adler
28	* Typewriter Age Guide, publ. Dec 1973 by Office Machines and Equipment Federation, London, copies contributed by Mr. Peter Brill, Australia (note: this reference same as #6)
29	* Typewriter Age Guide, publ. Oct 1971 by Office Machines and Equipment Federation, London, copies: T. Munk with the assistance of Mr. Rob Bowker, UK
30	* Typewriter Age Guide, publ. Oct 1980 by Office Machines and Equipment Federation, London, copies: T. Munk with the assistance of Mr. Rob Bowker, UK
31	* The Business Machines and Equipment Digest, publ. 1927 by Equipment-Research Corporation, copy contributed by Mark Adams. see: http://type-writer.org/?p=2850
32	* R. Blickensderfer and P. Robert, "The Five-Pound Secretary. An Illustrated History of the Blickensderfer Typewriter", publ. 2003 by The Virtual Typewriter Museum, excerpt contributed by Georg Sommeregger.
33	* Matricolario Olivetti, copy contributed by Enrico Morozzi.
34	* Olivetti Graphika Serial Number List, compiled by Domenico Scarzello. See: http://www.typewriterstory.com/index.php/ol-graphica
35	* Liste der Herstellungsdaten deutscher und auslandischer Schreibmaschinen - 1950. By Carl Teege, Published by Hans Burghagen Verlag. From the collection of Ryk van Dijk, scanned by Marlies Louwes.
36	* Liste der Herstellungsdaten deutscher und auslandischer Schreibmaschinen - 1953. Published by Hans Burghagen Verlag. From the collection of Ryk van Dijk, scanned by Marlies Louwes.
37	* National Typewriter and Office Machine Dealer's Association (NOMDA) Typewriter and Adding Machine Allowance Schedule, February 1, 1941. From the Collection of Tony Casillo, contributed by Richard Polt.
38	* Wyckoff, Seamans & Benedict. Remington Standard typewriter. New York : Wyckoff, Seamans & Benedict, [188-?], accessed from the Baker Library, Harvard Business School. See: http://pds.lib.harvard.edu/pds/view/2574435
39	* Documented Hammond Serial Numbers, V.4 Jan. 1, 2013 through V.7 Jul 20, 2017, Compiled by Peter Weil.
40	* Blick Billheads With Serial Numbers, Compiled by Peter Weil.
41	* Olympia, USA "Allowance Sheet T-58" (approx 1977). From the Collection of Tony Casillo, contributed by Richard Polt.
42	* IBM Typewriters Serial Numbers 1946 to 1977, Montreal Branch - IBM Canada Ltd. Contributed to Yahoo GolfBallTypewriterShop group by Jacques Coulombe.
43	* Xerox Factbook 1987 See: http://simson.net/ref/Xerox/
44	* IBM Selectric Adjustment & Parts Manual S241-5939-2
45	* Brother Service Update #31, June 20, 1985 See: http://munk.org/typecast/wp-content/uploads/2014/05/brother-datecodes-1.jpg
46	* Brother Letter #0203 (10/1979) "How to Determine In-Warranty Typewriters" See: http://munk.org/typecast/wp-content/uploads/2014/05/brother-warranty-3.jpg
47	* Brother Service Manuals and Addendums 1974-1990 "The Edsel R. Sanders Collection" See: http://munk.org/typecast/2014/05/06/a-brotherly-bonanza/
48	* National Typewriter and Office Machine Dealer's Association (NOMDA) Typewriter and Adding Machine Allowance Schedule, 1977. From the Collection of Tony Casillo, contributed by Richard Polt.
49	* Brother Group Corporate Profile, 2014 See: http://download.brother.com/pub/com/en/corporate/pdf/2014/broa4_3334_en.pdf
50	* Victor Standard Typewriters, By Will Davis See: http://web.archive.org/web/20090830084402/http:/geocities.com/wbd641/Victor.html
51	* Die historische Entwicklung des Bet riebes Optima Erfurt (2008), by Eberhard Lippmann. Contributed by Vilhelm Dromberg
52	* Corona: The Personal Writing Machine, by S. L. Johnson See: http://www.sljohnson.net/typewriter/corona.html
53	* Standard Folding Typewriter by Richard Milton See: http://www.portabletypewriters.co.uk/portable_typewriters_standard_folding.htm
54	* Collect Folding Coronas, by Paul Lippman See: http://etconline.org/backissues/ETC004.pdf?page=4
55	* Smith-Corona Parts and Service Manuals (1947-1999) lent by Bill Wahl
56	* Europe - Oliver - SIM - MAS small typewriters, by Georg Sommeregger. See: https://sommeregger.name/typewriters/collection/OLIVER_SIM_MAS.html
57	* The Montana line of Hermes clones, by Mark Adams. See: http://type-writer.org/?p=3598
58	* The Hermes Baby page!, by Georg Sommeregger. See: http://www.typewriters.ch/collection/hermes_baby.html
59	* American Digest of Business Machines, 1924. Contributed by Richard Polt. See: http://site.xavier.edu/polt/typewriters/ADBM1924.pdf
60	* "MTE-INV" Mesa Typewriter Exchange Stock Inventory Records 1950 to 1987. Contributed by Bill Wahl.
61	* "Mechanical Typewriters - Their History, Value, and Legacy" by Thomas A. Russo.
62	* "The IBM Model B typewriter" by IBM. See: https://www-03.ibm.com/ibm/history/exhibits/modelb/modelb_intro.html
63	* "Remington Portables" by Richard Polt. See: http://site.xavier.edu/polt/typewriters/rem-portables.htm
64	* "Moskva and Janalif Research" by Alex Sandler. (plus updates) See: https://goo.gl/I5X12b, https://goo.gl/z0tSOq, https://goo.gl/4iq9Tz http://odtype.blogspot.com/2016/10/moskva-3-and-4-age-lists-as-of-ix2016.html, http://odtype.blogspot.com/2017/02/moskva-5-6-and-7-age-lists.html
65	* "Collector's Guide to Antique Typewriters" Dan Post, Post-Era Books, 1981.
66	* "The Unknown Writing Machine" Don Sutherland in The Antique Trader, 1978.
67	* "Don't Mind My Insanity: Updated Fox Serial Numbers" by Tyler Anderson. See: https://wordsarewinged.blogspot.com/2016/06/dont-mind-my-insanity-updated-fox.html
68	* "A Very Good Year for Adler Favorit 2's" by Robert Godlieb. See: http://badonoer.blogspot.com/2016/01/a-very-good-year-for-adler-favorit-2s.html
69	* "FBI Forgery by Typewriter: Re-Examining the Alger Hiss Case - How Did His 1927 Woodstock Become a 1929 Model?" by Robert Messenger. See: http://oztypewriter.blogspot.com/2016/01/fbi-forgery-by-typewriter-re-examining.html
70	* "The Littlest Typewriters: Bennett's Bantamweights" by Robert Messenger. See: http://oztypewriter.blogspot.co.uk/2012/02/littlest-typewriters-bennetts.html
71	* "Re: [TYPEWRITERS] Bennett Typewriter on Yahoo Typewriter Forum" by Thomas Furtig.
72	* "Sabb Schreibmaschine" by Georg Sommeregger. See: http://www.typewriters.ch/blog/2016/06/sabb-schreibmaschine/
73	* "Discovering the Studio Musicwriter" by Theodore Munk. See: Etcetera #109 (link when available)
74	* "The Story of the Typewriter 1873-1923" Herkimer County Historical Society, 1923.
75	* "The Early History of the Typewriter" by Chas. E Weller (1918).
76	* "Old Typewriters" by Duncan James (Shire, 1993).
77	* "Williams Typewriter Research" by Tyler Anderson, 2016.
78	* "The History of the Typewriter" by Geo. Charles Mares (Gilbert Pitman, London, 1909).
79	* "Emerson Typewriter Research" by Tyler Anderson & Peter Weil, 2016.
80	* "The Emerson: The Enigma of Typewriters" by Robert Messenger. See: http://oztypewriter.blogspot.com/2013/07/the-emerson-enigma-of-typewriters.html
81	* "A History of the Three-Row 'WILLIAMS' Typewriters" by Richard E. Dickerson in Historische Bürowelt No. 21 April 1988, and No. 22 July 1988.
82	* "Typewriter Topics: Vol. 50-52 1922" by The International Office Equipment Magazine.
83	* "Typewriter Topics: Vol. 6-7 1907" by The International Office Equipment Magazine.
84	* "Typewriter Topics: Vol. 38-40 1918" by The International Office Equipment Magazine.
85	* "Typewriter Topics: Vol. 41 1919" by The International Office Equipment Magazine.
86	* "Typewriter Topics: Vol. 29-32 1915" by The International Office Equipment Magazine.
87	* "The Victor Standard Typewriter" by Will Davis. See: http://davistypewriters.blogspot.com/2015/05/the-victor-standard-typewriter.html
88	* "On This Day in Typewriter History: Trying to Unravel the Victor Mystery" by Robert Messenger. See: http://oztypewriter.blogspot.com/2012/11/on-this-day-in-typewriter-history_6.html
89	* "The Franklin Typewriters" by Richard E. Dickerson in ETCetera #1 October, 1987. See: http://etconline.org/backissues/ETC001.pdf
90	* "On This Day in Typewriter History (CVI)" by Robert Messenger. See: http://oztypewriter.blogspot.com/2011/09/on-this-day-in-typewriter-history-cvi.html
91	* "the Garbell Portable Typewriter" by The Garbell family. See: http://www.garbell.com/GarbellTypewriter.html
92	* "Garbell Typewriter" by Greg Fudacz. See: http://www.antikeychop.com/#!garbell-typewriter/us0eg
93	* "Fox Visible Typewriters - An Overview " by Will Davis. See: http://davistypewriters.blogspot.com/2015/08/fox-visible-typewriters-overview.html
94	* "Fox Portable Typewriters and the Demise of Fox Typewriter Company " by Will Davis. See: http://davistypewriters.blogspot.com/2015/08/fox-portable-typewriters-and-demise-of.html
95	* "The American Stationer" 1906.
96	* "The American Stationer" 1907.
97	* "Franklin Typewriter Ephemera" collected by Peter Weil, 2016.
98	* "A Bennington Letter" collected by Martin Howard. See: http://etconline.org/backissues/ETC082.pdf
99	* "Filing & Office Management Magazine" Volume 6, 1921.
100	* "Filing & Office Management Magazine" Volume 7-8, 1922.
101	* "Typewriter Topics: Vol. 35-37 1917" by The International Office Equipment Magazine.
102	* "Typewriter Topics: Vol. 44-46 1920" by The International Office Equipment Magazine.
103	* "On This Day in Typewriter History: Unearthing the Molle" by Robert Messenger. See: http://oztypewriter.blogspot.com/2013/01/on-this-day-in-typewriter-history_9569.html
104	* "It's pronounced 'Mollie'" by Mark Adams. See: http://type-writer.org/?p=4230
105	* "The Iron Age, Volume 79 - 1907".
106	* "Office Appliances Volume 36 - July 1922".
107	* "Office Appliances Volume 34 - July 1921".
108	* "The American Pocket Typewriter and Wellington Parker Kidder's Rochester" by Robert Messenger. See: http://oztypewriter.blogspot.com/2014/07/the-american-pocket-typewriter-and.html
109	* "Crouching Tiger, Hidden Details - The early days of the Noiseless Typewriter" by Ed Neuert. See: http://etconline.org/backissues/ETC081.pdf
110	* "The Merritt" by Will Davis. See: http://davistypewriters.blogspot.com/2016/09/merritt.html
111	* "Yatran The Heaviest" by Alex Sandler. See: http://odtype.blogspot.com/2016/09/yatran-heaviest.html
112	* "Moskva 3 and 4 age lists as of 10-2016" by Alex Sandler. See: http://odtype.blogspot.com/2016/10/moskva-3-and-4-age-lists-as-of-ix2016.html
113	* "Portable Typewriters Today - February 2015" by Will Davis. See: http://davistypewriters.blogspot.com/2015/02/portable-typewriters-today-february-2015.html
114	* "The Early Bar-Lock" and "Bar-Lock Typewriters - Models 4 to 15" by Bert Kerschbaumer. See: ETCetera #98 & #114
115	* "AMES Supply General Catalog #10 - March, 1960".
116	* "AMES Supply Parts Catalog #11P - Feb., 1965".
117	* "The Amazing Masspro Portable Typewriter: 'Grandson' of the Standard Folding" by Robert Messenger. See: http://oztypewriter.blogspot.com/2013/10/the-amazing-maspro-portable-typewriter.html
118	* "Masspro Typewriter Page" by Greg Fudacz. See: http://www.antikeychop.com/masspro-typewriter
119	* "Carl P. Dietz Collection of Typewriters", by George Herrl, 1965.
120	* "Royal Paint Touch-Up Color List", Rev. June, 1968.
121	* "Olympia SM series (part 1, 1948-1964)" by Nick T. See: http://xoverit.blogspot.com/2015/02/olympia-sm-series-part-1-1948-1964.html
122	* "Olympia SM series (part 2, 1964-1980s)" by Nick T. See: http://xoverit.blogspot.com/2015/04/olympia-sm-series-part-2-1964-1980s.html
123	* "AMES Supply General Catalog #5 - August, 1940".
124	* "1975 Smith-Corona Model Prefix Guide", Discovered by Jonathan Kinser from Smith-Corona research.
125	* "Evolution of the Typewriter", C. V. Oden, 1917.
126	* "1912-1923 The Origins and Evolution of the Typewriter" Various Authors.
127	* "The Swedish Densmore Typewriter" by Robert Messenger. See: http://oztypewriter.blogspot.com/2015/03/the-swedish-densmore-typewriter.html
128	* "All or Nakajima" by Steve K. See: https://etzone.org/2017/06/17/all-or-nakajima
129	* Smith-Corona Series Estimates researched by Nick Bodemer, 2017
130	* Research by Peter Weil, and ephemera from The Cornelia and Peter Weil Typewriter Archives
131	* 1963 Hermes Baby Adjustment Manual B3, from the collection of T. Munk
132	* Underwood Age List, from the collection of Tony Casillo See: http://www.typewritercollector.com/images/underwoodagelist.pdf
133	* 1966 & 1971 Hermes 3000 Adjustment Manuals G4,G6 & 1971, from the collection of Jacques Perrier, Museum of the Typewriter, Lausanne, Switzerland See: https://www.perrier-sa.ch/musee/boutique/
134	* "Korean Typewriters" by Robert Messenger. See: http://oztypewriter.blogspot.com/2012/01/korean-typewriters.html
135	* 1985 IBM Replacement Guide Form 71K6222, supplied by Clark Hinson from the collection of Roger Brockevelt
136	* "Blickensderfer’s last hurrah as a Remington" by Mark Adams. See: https://type-writer.org/?p=4294
137	* Blickensderfer Research by Peter Weil, 2017
138	* Etcetera #106-107
139	* "Briefly Blick-Bar" by Robert Messenger. See: http://oztypewriter.blogspot.com/2016/01/briefly-blick-bar.html
140	"Lexikon historischer Schreibmaschinen seit 1940" (Typewriter Lexikon since 1940) published 2008 by Leonhard Dingwerth.
141	* "Olivetti macchine per scrivere meccaniche" published 2013 by Carlo Torchio. From the collection of Carl Hartmann via Mario Bellini
142	* "The ABC in Detail" by Will Davis and Thomas Fürtig. See: http://davistypewriters.blogspot.com/search?q=abc+in+detail
143	* "The Real Story of the Brosette Typewriter and its successor the Jaykay Portable" by Michael A. Brown. See: http://typexnews.com/links/Brosette.pdf
144	* "A Royal Safari at Eighteen Years on the Net" by Will Davis. See: https://davistypewriters.blogspot.com/2018/03/a-royal-safari-at-eighteen-years-on-net.html
145	"The typewriter industry, The impact of a significant technological innovation" 1970 doctoral dissertation by George Nichols Engler, UCLA. See: https://archive.org/details/TheTypewriterIndustry
146	* Research by Ian Brumfield
147	* Typewriter pages from Sears Catalogs: 1900-1985 From the collections of Alan Seaver (mostly), Nick Bodemer and T. Munk.
148	* "Ten Most Wanted Typewriters" by Richard Polt. See: https://site.xavier.edu/polt/typewriters/tw-10mw.html
149	* Messa Research by Carl Hartmann.
150	* "The Dawn of the Lettera 22" by John Cooper. See: https://atypeofmadness.com/2019/02/12/the-dawn-of-the-lettera-22
151	* "Litton Drags its Caravan Through the Typewriter Desert" by Robert Messenger. See: https://oztypewriter.blogspot.com/2019/03/litton-drags-its-caravan-through.html
152	* "Typewriter review: 2019 Royal Classic" by Richard Polt. See: https://writingball.blogspot.com/2019/03/typewriter-review-2019-royal-classic.html
153	* "GENERATION 3000" by Will Davis. See: http://www.willdavis.org/Generation3000.html
154	* "Everything New in Portable Typewriters is Old Again" by Robert Messenger. See: https://oztypewriter.blogspot.com/2013/12/everything-new-in-portable-typewriters.html
155	* "Pretentious Self-Indulgence, and Also Some Pretty Big Breakthroughs" by Ian Brumfield. See: http://dailyclipper.retroid.xyz/2019/07/16/pretentious-self-indulgence-and-also-some-pretty-big-breakthroughs
156	"1965-1969 Royal Line Catalog" from the collection of Ian Brumfield.
157	* "Harris Visible, Rex Visible, Demountable; Name variants; Vim Visible" by Will Davis. See: https://davistypewriters.blogspot.com/2015/01/harris-visible-rex-visible-demountable.html
158	* "1973 NOMDA Blue Book" by National Office Machine Dealers Association.
159	* "Olympia Engineering Bulletin General-3" by ITC, Jan 1, 1969.
160	* "IDENTIFYING AND DATING ANTIQUE CALIGRAPH WRITING MACHINES Nos. 1-4" by Al Sumrall. See: https://oldhoodooblog.wordpress.com/2020/03/20/identifying-and-dating-antique-caligraph-writing-machines-typewriters-nos-1-4/
161	* "Some Type Writers - Their Origin and Uses" By J. B. Huling in Scientific American #575 - January 8, 1887.
162	* "Typewriter, A Celebration of the Ultimate Writing Machine" by Paul Robert and Peter Weil, 2016.
163	* "The Caligraph Publications" by Paul Robert.
164	* "Magic, Maligners and Malfunctions. Part IV – the Waverley, Maskelyne, Rapid, Salter and Many More." by Robert Messenger. See: https://oztypewriter.blogspot.com/2020/07/magic-maligners-and-malfunctions-part.html
165	* "Burroughs Adding Machine Company - Typewriters" See: http://www.burroughsinfo.com/typewriters.html
166	* "Hall Typewriter Serial Numbers" by Al Sumrall
167	* LC Smith and Corona Service Bulletins (1939-1954) From the collection of T. Munk
168	* "Research on Halberg" by Theo Verkerk See: https://www.facebook.com/groups/TypewriterCollectors/permalink/10157289533199678/ https://www.facebook.com/groups/TypewriterCollectors/permalink/10157248994634678/ https://www.facebook.com/groups/TypewriterCollectors/permalink/10157259808104678/
169	* Royal Royalite Parts Manuals 1955-1965 From the collection of T. Munk
170	* "FRISTER & ROSSMANN TYPEWRITERS" See: https://www.fiddlebase.com/frister-rossmann/f-r-typewriters/
171	* Dial-a-Ribbon & Typing by Numbers See: https://etzone.org/2022/05/05/dial-a-ribbon-typing-by-numbers
172	* etzone - a summary of Sharp's electronic daisy wheel models See: https://etzone.org/sharp-2/
173	* etzone - a summary of Canon's electronic daisy wheel models See: https://etzone.org/canon/
174	* etzone - a summary of Nakajima All's electronic daisy wheel models See: https://etzone.org/nakajima-all/
175	* "Nakajima Model 800 Typewriter: The most surprising machine of ALL" by Robert Messenger See: https://oztypewriter.blogspot.com/2012/07/nakajima-model-800-typewriter-most.html
176	* Établissements Japy Frères, Historique et technologie des machines à écrire, [1946] From the collection of Georg Sommeregger
177	*Leeftijdslijst van Schrijfmachines [1958] From the collection of Robert Godlieb

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