CP/M (English Wikipedia)

da Cruz, Frank (1984-04-27). "New release of KERMIT for CP/M-80". Info-Kermit Digest (Mailing list). Kermit Project, Columbia University. Archived from the original on 2021-04-17. Retrieved 2016-02-23. [1]
Kurth, Rüdiger; Groß, Martin; Hunger, Henry (2019-01-03). "Betriebssysteme". www.robotrontechnik.de (in German). Archived from the original on 2019-04-27. Retrieved 2019-04-27.
Kurth, Rüdiger; Groß, Martin; Hunger, Henry (2019-01-03). "Betriebssystem SCP". www.robotrontechnik.de (in German). Archived from the original on 2019-04-27. Retrieved 2019-04-27.
"License Agreement". Caldera, Inc. 1997-08-28. Archived from the original on 2018-09-08. Retrieved 2015-07-25. [3]^{[permanent dead link]} [4]^{[permanent dead link]}
Sparks, Bryan Wayne (2001-10-19). Chaudry, Gabriele "Gaby" (ed.). "License agreement for the CP/M material presented on this site". Lineo, Inc. Archived from the original on 2018-09-08. Retrieved 2015-07-25.

armchairarcade.com

Loguidice, Bill (2012-07-28). "More on Avalon Hill Computer Games on Heath/Zenith platforms". Armchair Arcade. Archived from the original on 2015-07-23. Retrieved 2015-07-22.

arstechnica.com

Maher, Jimmy (2017-07-31). "The complete history of the IBM PC, part two: The DOS empire strikes". Ars Technica. p. 3. Retrieved 2019-09-08.

bitsavers.org

Davis, Randy (December 1985 – January 1986). Written at Greenville, Texas, US. "The New NEC Microprocessors - 8080, 8086, Or 8088?" (PDF). Micro Cornucopia. No. 27. Bend, Oregon, US: Micro Cornucopia Inc. pp. 4–7. ISSN 0747-587X. Archived (PDF) from the original on 2020-02-11. Retrieved 2020-02-11.
CP/M Plus (CP/M Version 3) Operating System User's Guide (PDF). Digital Research. 1983.

books.google.com

Mann, Stephen (1983-08-15). "CP/M Plus, a third, updated version of CP/M". InfoWorld. Vol. 5, no. 33. p. 49. ISSN 0199-6649.
Cole, Maggie (1981-05-25). "Gary Kildall and the Digital Research Success Story". InfoWorld. Vol. 3, no. 10. Palo Alto, California, US. pp. 52–53. ISSN 0199-6649.
Freiberger, Paul (1982-07-05). "History of microcomputing, part 3: software genesis". InfoWorld. Vol. 4, no. 26. Palo Alto, California, US. p. 41. ISSN 0199-6649.
Hogan, Thom (1981-09-14). "State of Microcomputing / Some Horses Running Neck and Neck". pp. 10–12. Retrieved 2019-04-08.
Wise, Deborah (1982-05-10). "Mainframe makers court third-party vendors for micro software". InfoWorld. Vol. 4, no. 18. pp. 21–22. Archived from the original on 2015-03-18. Retrieved 2015-01-25.
Meyer, Edwin W. (1982-06-14). "The Xerox 820, a CP/M-operated system from Xerox". InfoWorld. Vol. 4, no. 23. pp. 101–104. Retrieved 2019-03-30.
Bunnell, David (February 1982). "The Man Behind The Machine? / A PC Exclusive Interview With Software Guru Bill Gates". PC Magazine. Vol. 1, no. 1. pp. 16–23 [20]. Archived from the original on 2013-05-09. Retrieved 2012-02-17.
Thomas, Rebecca A.; Yates, Jean L. (1981-05-11). "Books, Boards and Software for The New 16-Bit Processors". InfoWorld - The Newspaper for the Microcomputing Community. Vol. 3, no. 9. Popular Computing, Inc. pp. 42–43. ISSN 0199-6649. Retrieved 2020-01-24.
Magid, Lawrence J. (February 1982). "Baby Blue". PC Magazine. Vol. 1, no. 1. p. 49. Archived from the original on 2015-03-18. Retrieved 2015-01-04.
Mace, Scott (1984-06-11). "CP/M Eludes Home Market". InfoWorld. Vol. 6, no. 24. p. 46.
Groth, Nancy (1986-02-10). "Kaypro is retreating on CP/M". InfoWorld. Vol. 8, no. 6. p. 6.
Mace, Scott (1984-01-09). "IBM PC clone makers shun total compatibility". InfoWorld. Vol. 6, no. 2&3. pp. 79–81. Archived from the original on 2015-03-16. Retrieved 2015-02-04.
Derfler, Frank J. (1982-10-18). "Kaypro II—a low-priced, 26-pound portable micro". InfoWorld. p. 59. Archived from the original on 2014-01-01. Retrieved 2013-10-22.

cas.org

cassi.cas.org

Brown, David K.; Strutynski, Kathryn; Wharton, John Harrison (1983-05-14). "Tweaking more performance from an operating system - Hashing, caching, and memory blocking are just a few of the techniques used to punch up performance in the latest version of CP/M". System Design/Software. Computer Design - The Magazine of Computer Based Systems. Vol. 22, no. 6. Littleton, Massachusetts, US: PennWell Publications / PennWell Publishing Company. pp. 193–194, 196, 198, 200, 202, 204. ISSN 0010-4566. OCLC 1564597. CODEN CMPDA. ark:/13960/t3hz07m4t. Retrieved 2021-08-14. (7 pages)

classiccmp.org

Ciarcia, Steve (September 1985). "Build the SB-180" (PDF). BYTE Magazine. CMP Media. p. 100. Retrieved 2019-06-18.

computerhistory.org

Shustek, Len (2016-08-02). "In His Own Words: Gary Kildall". Remarkable People. Computer History Museum. Archived from the original on 2016-12-17.
Kildall, Gary Arlen (2016-08-02) [1993]. Kildall, Scott; Kildall, Kristin (eds.). Computer Connections: People, Places, and Events in the Evolution of the Personal Computer Industry (Manuscript, part 1). Kildall Family. Archived from the original on 2016-11-17. Retrieved 2016-11-17.
Laws, David (2014-10-01). "Early Digital Research CP/M Source Code". Computer History Museum. Archived from the original on 2015-07-27. Retrieved 2015-07-25.

archive.computerhistory.org

"Digital Research Has CP/M-86 for IBM Displaywriter" (PDF). Digital Research News - for Digital Research Users Everywhere. 1 (1). Pacific Grove, California, US: Digital Research, Inc.: 2, 5, 7. November 1981. Fourth Quarter. Archived (PDF) from the original on 2021-04-17. Retrieved 2020-01-18.
Kildall, Gary Arlen (1982-09-16). "Running 8-bit software on dual-processor computers" (PDF). Electronic Design: 157. Archived (PDF) from the original on 2017-08-19. Retrieved 2017-08-19.

ddj.com

Swaine, Michael (1997-04-01). "Gary Kildall and Collegial Entrepreneurship". Dr. Dobb's Journal. Archived from the original on 2007-01-24. Retrieved 2006-11-20.

discordia.org.uk

"CP/M Builtin Commands". discordia.org.uk. Archived from the original on 2008-04-12. Retrieved 2009-01-28.

drdobbs.com

Swaine, Michael (2004-06-01). "CP/M and DRM". Dr. Dobb's Journal. Vol. 29, no. 6. CMP Media LLC. pp. 71–73. #361. Archived from the original on 2018-09-09. Retrieved 2018-09-09. [5]

epdf.pub

Swaine, Michael (2004-06-01). "CP/M and DRM". Dr. Dobb's Journal. Vol. 29, no. 6. CMP Media LLC. pp. 71–73. #361. Archived from the original on 2018-09-09. Retrieved 2018-09-09. [5]

gaby.de

"Section 4 - CP/M Dynamic Debugging Tool". CP/M 2.2. Archived from the original on 2015-06-17. Retrieved 2014-08-29.

github.com

Sblendorio, Francesco (2015-12-01). "Gorillas for CP/M". GitHub. Archived from the original on 2016-02-05. Retrieved 2015-07-22.

hucki.net

hc-ddr.hucki.net

Huck, Alex (2016-10-09). "RSM für CP/M 2.2". Homecompuer DDR (in German). Archived from the original on 2016-11-25. Retrieved 2016-11-25.
Pohlers, Volker (2019-04-30). "CP/A". Homecomputer DDR (in German). Archived from the original on 2020-02-21. Retrieved 2020-02-21.

legacy.com

"Kathryn Betty Strutynski". Monterey Herald (Obituary). 2010-06-19. Archived from the original on 2021-08-14. Retrieved 2021-08-10 – via Legacy.com.

mdfs.net

da Cruz, Frank (1984-04-27). "New release of KERMIT for CP/M-80". Info-Kermit Digest (Mailing list). Kermit Project, Columbia University. Archived from the original on 2021-04-17. Retrieved 2016-02-23. [1]

msdn.com

blogs.msdn.com

Chen, Raymond. "Why does MS-DOS use 8.3 filenames instead of, say, 11.2 or 16.16?". The Old New Thing. Archived from the original on 2011-09-22. Retrieved 2010-12-17.
Chen, Raymond. "How did wildcards work in MS-DOS?". The Old New Thing. Archived from the original on 2011-05-08. Retrieved 2010-12-17.
Chen, Raymond. "What's the deal with those reserved filenames like NUL and CON?". The Old New Thing. Archived from the original on 2010-08-02. Retrieved 2010-12-17.
Chen, Raymond. "Why do text files end in Ctrl+Z?". The Old New Thing. Archived from the original on 2011-02-06. Retrieved 2010-12-17.

nytimes.com

Sandberg-Diment, Erik (1983-05-03). "Personal Computers: The Operating System in the middle". The New York Times.
Markoff, John (1994-07-13). "Gary Kildall, 52, Crucial Player In Computer Development, Dies". The New York Times.

old-computers.com

"Compupro 8/16". old-computers.com. Archived from the original on 2016-01-03. Retrieved 2022-04-21.
"M 68 / M 68 MX". Archived from the original on 2016-03-06. Retrieved 2012-09-17.
"Old-computers.com: The Museum". Archived from the original on 2013-07-03. Retrieved 2017-10-06.

oldcomputers-ddns.org

"ZCPR - oldcomputers.ddns.org".

radioshackcatalogs.com

"Radio Shack Computer Catalog RSC-12 page 28". www.radioshackcomputercatalogs.com. Tandy/Radio Shack. Archived from the original on 2016-10-13. Retrieved 2016-07-06.

retroarchive.org

"CP/M emulators for DOS". www.retroarchive.org/cpm. Luis Basto. Archived from the original on 2016-07-09. Retrieved 2016-07-06.
"License Agreement". Caldera, Inc. 1997-08-28. Archived from the original on 2018-09-08. Retrieved 2015-07-25. [3]^{[permanent dead link]} [4]^{[permanent dead link]}

retrotechnology.com

Kildall, Gary Arlen (January 1980). "The History of CP/M, The Evolution Of An Industry: One Person's Viewpoint". Dr. Dobb's Journal. Vol. 5, no. 1 #41. pp. 6–7. Archived from the original on 2016-11-24. Retrieved 2013-06-03.
Johnson, Herbert R. (2009-01-04). "CP/M and Digital Research Inc. (DRI) History". www.retrotechnology.com. Archived from the original on 2008-08-20. Retrieved 2009-01-28.
Johnson, Herbert R. (2014-07-30). "CP/M and Digital Research Inc. (DRI) History".

robotrontechnik.de

Kurth, Rüdiger; Groß, Martin; Hunger, Henry (2019-01-03). "Betriebssysteme". www.robotrontechnik.de (in German). Archived from the original on 2019-04-27. Retrieved 2019-04-27.
Kurth, Rüdiger; Groß, Martin; Hunger, Henry (2019-01-03). "Betriebssystem SCP". www.robotrontechnik.de (in German). Archived from the original on 2019-04-27. Retrieved 2019-04-27.

s100computers.com

Digital Research (1981): XLT86 - 8080 to 8086 Assembly Language Translator - User's Guide Archived 2016-11-18 at the Wayback Machine Digital Research Inc, Pacific Grove

shaels.net

Shael (2010-06-26) [2009-12-09]. "DDT Utility". Archived from the original on 2015-12-08. Retrieved 2014-08-29.

susowa.homeftp.net

"The Wonderful World of ZCPR3". 1987-11-30. Archived from the original on 2019-12-23. Retrieved 2019-11-18.

theregister.co.uk

Gasperson, Tina (2001-11-26). "CP/M collection is back online with an Open Source licence - Walk down memory lane". The Register. Archived from the original on 2017-09-01.

tramm.li

"CP/M Operating System Manual" (PDF).

uni-stuttgart.de

bitsavers.informatik.uni-stuttgart.de

"PL/I Language Programmer's Guide" (PDF). Digital Research.

web.archive.org

Gasperson, Tina (2001-11-26). "CP/M collection is back online with an Open Source licence - Walk down memory lane". The Register. Archived from the original on 2017-09-01.
Shustek, Len (2016-08-02). "In His Own Words: Gary Kildall". Remarkable People. Computer History Museum. Archived from the original on 2016-12-17.
Kildall, Gary Arlen (2016-08-02) [1993]. Kildall, Scott; Kildall, Kristin (eds.). Computer Connections: People, Places, and Events in the Evolution of the Personal Computer Industry (Manuscript, part 1). Kildall Family. Archived from the original on 2016-11-17. Retrieved 2016-11-17.
"Compupro 8/16". old-computers.com. Archived from the original on 2016-01-03. Retrieved 2022-04-21.
Kildall, Gary Arlen (January 1980). "The History of CP/M, The Evolution Of An Industry: One Person's Viewpoint". Dr. Dobb's Journal. Vol. 5, no. 1 #41. pp. 6–7. Archived from the original on 2016-11-24. Retrieved 2013-06-03.
Johnson, Herbert R. (2009-01-04). "CP/M and Digital Research Inc. (DRI) History". www.retrotechnology.com. Archived from the original on 2008-08-20. Retrieved 2009-01-28.
"Kathryn Betty Strutynski". Monterey Herald (Obituary). 2010-06-19. Archived from the original on 2021-08-14. Retrieved 2021-08-10 – via Legacy.com.
Wise, Deborah (1982-05-10). "Mainframe makers court third-party vendors for micro software". InfoWorld. Vol. 4, no. 18. pp. 21–22. Archived from the original on 2015-03-18. Retrieved 2015-01-25.
da Cruz, Frank (1984-04-27). "New release of KERMIT for CP/M-80". Info-Kermit Digest (Mailing list). Kermit Project, Columbia University. Archived from the original on 2021-04-17. Retrieved 2016-02-23. [1]
Swaine, Michael (1997-04-01). "Gary Kildall and Collegial Entrepreneurship". Dr. Dobb's Journal. Archived from the original on 2007-01-24. Retrieved 2006-11-20.
Bunnell, David (February 1982). "The Man Behind The Machine? / A PC Exclusive Interview With Software Guru Bill Gates". PC Magazine. Vol. 1, no. 1. pp. 16–23 [20]. Archived from the original on 2013-05-09. Retrieved 2012-02-17.
"Radio Shack Computer Catalog RSC-12 page 28". www.radioshackcomputercatalogs.com. Tandy/Radio Shack. Archived from the original on 2016-10-13. Retrieved 2016-07-06.
"Digital Research Has CP/M-86 for IBM Displaywriter" (PDF). Digital Research News - for Digital Research Users Everywhere. 1 (1). Pacific Grove, California, US: Digital Research, Inc.: 2, 5, 7. November 1981. Fourth Quarter. Archived (PDF) from the original on 2021-04-17. Retrieved 2020-01-18.
Kildall, Gary Arlen (1982-09-16). "Running 8-bit software on dual-processor computers" (PDF). Electronic Design: 157. Archived (PDF) from the original on 2017-08-19. Retrieved 2017-08-19.
Snyder, John J. (June 1983). "A DEC on Every Desk?". BYTE. Vol. 8, no. 6. pp. 104–106. Archived from the original on 2015-01-02. Retrieved 2015-02-05.
"M 68 / M 68 MX". Archived from the original on 2016-03-06. Retrieved 2012-09-17.
Olmstead, Tim; Chaudry, Gabriele "Gaby". "Digital Research Source Code". Archived from the original on 2016-02-05.
Digital Research (1981): XLT86 - 8080 to 8086 Assembly Language Translator - User's Guide Archived 2016-11-18 at the Wayback Machine Digital Research Inc, Pacific Grove
Pournelle, Jerry (March 1984). "New Machines, Networks, and Sundry Software". BYTE. Vol. 9, no. 3. p. 46. Archived from the original on 2015-02-02. Retrieved 2013-10-22.
Magid, Lawrence J. (February 1982). "Baby Blue". PC Magazine. Vol. 1, no. 1. p. 49. Archived from the original on 2015-03-18. Retrieved 2015-01-04.
"The Wonderful World of ZCPR3". 1987-11-30. Archived from the original on 2019-12-23. Retrieved 2019-11-18.
"CP/M emulators for DOS". www.retroarchive.org/cpm. Luis Basto. Archived from the original on 2016-07-09. Retrieved 2016-07-06.
Davis, Randy (December 1985 – January 1986). Written at Greenville, Texas, US. "The New NEC Microprocessors - 8080, 8086, Or 8088?" (PDF). Micro Cornucopia. No. 27. Bend, Oregon, US: Micro Cornucopia Inc. pp. 4–7. ISSN 0747-587X. Archived (PDF) from the original on 2020-02-11. Retrieved 2020-02-11.
CP/M Plus (CP/M Version 3) Operating System Programmers Guide (PDF) (2 ed.). Digital Research. April 1983 [January 1983]. Archived (PDF) from the original on 2016-11-25. Retrieved 2016-11-25.
Mace, Scott (1984-01-09). "IBM PC clone makers shun total compatibility". InfoWorld. Vol. 6, no. 2&3. pp. 79–81. Archived from the original on 2015-03-16. Retrieved 2015-02-04.
Pournelle, Jerry (June 1983). "Zenith Z-100, Epson QX-10, Software Licensing, and the Software Piracy Problem". BYTE. Vol. 8, no. 6. p. 411. Archived from the original on 2014-06-09. Retrieved 2013-10-20.
Derfler, Frank J. (1982-10-18). "Kaypro II—a low-priced, 26-pound portable micro". InfoWorld. p. 59. Archived from the original on 2014-01-01. Retrieved 2013-10-22.
Loguidice, Bill (2012-07-28). "More on Avalon Hill Computer Games on Heath/Zenith platforms". Armchair Arcade. Archived from the original on 2015-07-23. Retrieved 2015-07-22.
Sblendorio, Francesco (2015-12-01). "Gorillas for CP/M". GitHub. Archived from the original on 2016-02-05. Retrieved 2015-07-22.
"Section 4 - CP/M Dynamic Debugging Tool". CP/M 2.2. Archived from the original on 2015-06-17. Retrieved 2014-08-29.
CP/M Dynamic Debugging Tool (DDT) - User's Guide (PDF). Digital Research. 1978 [1976]. Archived (PDF) from the original on 2014-10-28. Retrieved 2014-08-29.
Shael (2010-06-26) [2009-12-09]. "DDT Utility". Archived from the original on 2015-12-08. Retrieved 2014-08-29.
Brand, Stewart (1984). Whole Earth Software Catalog. Quantum Press/Doubleday. ISBN 978-0-38519166-1. Archived from the original on 2015-07-04.
Huck, Alex (2016-10-09). "RSM für CP/M 2.2". Homecompuer DDR (in German). Archived from the original on 2016-11-25. Retrieved 2016-11-25.
"Now: A Complete CP/M Pascal for Only $29.95!". BYTE (advertisement). Vol. 7, no. 12. December 1982. p. 11. Archived from the original on 2016-07-21. Retrieved 2016-10-01.
Fager, Roger; Bohr, John (September 1983). "The Kaypro II". BYTE. Vol. 8, no. 9. p. 212. Archived from the original on 2014-03-02. Retrieved 2013-10-20.
"Old-computers.com: The Museum". Archived from the original on 2013-07-03. Retrieved 2017-10-06.
"CP/M Builtin Commands". discordia.org.uk. Archived from the original on 2008-04-12. Retrieved 2009-01-28.
Pohlers, Volker (2019-04-30). "CP/A". Homecomputer DDR (in German). Archived from the original on 2020-02-21. Retrieved 2020-02-21.
Chen, Raymond. "Why does MS-DOS use 8.3 filenames instead of, say, 11.2 or 16.16?". The Old New Thing. Archived from the original on 2011-09-22. Retrieved 2010-12-17.
Chen, Raymond. "How did wildcards work in MS-DOS?". The Old New Thing. Archived from the original on 2011-05-08. Retrieved 2010-12-17.
Chen, Raymond. "What's the deal with those reserved filenames like NUL and CON?". The Old New Thing. Archived from the original on 2010-08-02. Retrieved 2010-12-17.
Chen, Raymond. "Why do text files end in Ctrl+Z?". The Old New Thing. Archived from the original on 2011-02-06. Retrieved 2010-12-17.
Olmstead, Tim (1997-08-10). "CP/M Web site needs a host". Newsgroup: comp.os.cpm. Archived from the original on 2017-09-01. Retrieved 2018-09-09.
Olmstead, Tim (1997-08-29). "ANNOUNCE: Caldera CP/M site is now up". Newsgroup: comp.os.cpm. Archived from the original on 2017-09-01. Retrieved 2018-09-09. [2]
"Tim Olmstead". 2001-09-12. Archived from the original on 2018-09-09.
Chaudry, Gabriele "Gaby" (ed.). "The Unofficial CP/M Web Site". Archived from the original on 2016-02-03.
Swaine, Michael (2004-06-01). "CP/M and DRM". Dr. Dobb's Journal. Vol. 29, no. 6. CMP Media LLC. pp. 71–73. #361. Archived from the original on 2018-09-09. Retrieved 2018-09-09. [5]
Laws, David (2014-10-01). "Early Digital Research CP/M Source Code". Computer History Museum. Archived from the original on 2015-07-27. Retrieved 2015-07-25.

worldcat.org

Mann, Stephen (1983-08-15). "CP/M Plus, a third, updated version of CP/M". InfoWorld. Vol. 5, no. 33. p. 49. ISSN 0199-6649.
Cole, Maggie (1981-05-25). "Gary Kildall and the Digital Research Success Story". InfoWorld. Vol. 3, no. 10. Palo Alto, California, US. pp. 52–53. ISSN 0199-6649.
Freiberger, Paul (1982-07-05). "History of microcomputing, part 3: software genesis". InfoWorld. Vol. 4, no. 26. Palo Alto, California, US. p. 41. ISSN 0199-6649.
Digital Research (1978). CP/M. Pacific Grove, California, US: Digital Research. OCLC 221485970.
Brown, David K.; Strutynski, Kathryn; Wharton, John Harrison (1983-05-14). "Tweaking more performance from an operating system - Hashing, caching, and memory blocking are just a few of the techniques used to punch up performance in the latest version of CP/M". System Design/Software. Computer Design - The Magazine of Computer Based Systems. Vol. 22, no. 6. Littleton, Massachusetts, US: PennWell Publications / PennWell Publishing Company. pp. 193–194, 196, 198, 200, 202, 204. ISSN 0010-4566. OCLC 1564597. CODEN CMPDA. ark:/13960/t3hz07m4t. Retrieved 2021-08-14. (7 pages)
Thomas, Rebecca A.; Yates, Jean L. (1981-05-11). "Books, Boards and Software for The New 16-Bit Processors". InfoWorld - The Newspaper for the Microcomputing Community. Vol. 3, no. 9. Popular Computing, Inc. pp. 42–43. ISSN 0199-6649. Retrieved 2020-01-24.
Davis, Randy (December 1985 – January 1986). Written at Greenville, Texas, US. "The New NEC Microprocessors - 8080, 8086, Or 8088?" (PDF). Micro Cornucopia. No. 27. Bend, Oregon, US: Micro Cornucopia Inc. pp. 4–7. ISSN 0747-587X. Archived (PDF) from the original on 2020-02-11. Retrieved 2020-02-11.

worldradiohistory.com

Coles, Ray (June 1984). "Cheaper, simpler CP/M" (PDF). Practical Computing. p. 43. Retrieved 2022-10-03.

z80.de

cpm.z80.de

Olmstead, Tim; Chaudry, Gabriele "Gaby". "Digital Research Source Code". Archived from the original on 2016-02-05.
CP/M Plus (CP/M Version 3) Operating System Programmers Guide (PDF) (2 ed.). Digital Research. April 1983 [January 1983]. Archived (PDF) from the original on 2016-11-25. Retrieved 2016-11-25.
CP/M Dynamic Debugging Tool (DDT) - User's Guide (PDF). Digital Research. 1978 [1976]. Archived (PDF) from the original on 2014-10-28. Retrieved 2014-08-29.
Sparks, Bryan Wayne (2001-10-19). Chaudry, Gabriele "Gaby" (ed.). "License agreement for the CP/M material presented on this site". Lineo, Inc. Archived from the original on 2018-09-08. Retrieved 2015-07-25.
Chaudry, Gabriele "Gaby" (ed.). "The Unofficial CP/M Web Site". Archived from the original on 2016-02-03.

z80cpu.eu

Olmstead, Tim (1997-08-10). "CP/M Web site needs a host". Newsgroup: comp.os.cpm. Archived from the original on 2017-09-01. Retrieved 2018-09-09.
Olmstead, Tim (1997-08-29). "ANNOUNCE: Caldera CP/M site is now up". Newsgroup: comp.os.cpm. Archived from the original on 2017-09-01. Retrieved 2018-09-09. [2]
"Tim Olmstead". 2001-09-12. Archived from the original on 2018-09-09.