Computer History Association of California  
   Chac is a nonprofit corporation, who safeguards and organizes the history of electronic computing, not only in California, but nationally and internationally. They collect and archive hardware, software and documents.
   http://www.chac.org/

MIXTEL  
   Site is dedicated to the first home computer that could be bought in the UK.
   http://www.mixtel.pwp.blueyonder.co.uk/

Charles Babbage Institute  
   CBI is a research center dedicated to promoting the study of the history of computing and its impact on society, and preserving relevant documentation.
   http://www.cbi.umn.edu/

Historical Computer Society  
   International user group for old computer enthusiasts "old computers" and/or "old enthusiasts. Dedicated to preserving older and classic computer hardware, software, and literature.
   http://www.cyberstreet.com/hcs/hcs.htm

PC - History  
   This is a site devoted to the history of the PC, covers all types of personal computers from 1970 to present.
   http://www.pc-history.org/

The Burroughs B-205 Computer  
   A mixture of science fiction and fact concerning the B205.
   http://www.angelfire.com/scifi/B205/index.html

Alan J. Flavell  
   A physics professor tells about some of the early computers he worked with.
   http://ppewww.ph.gla.ac.uk/~flavell/aflavell.html

Blinkenlights Archaeological Institute  
   The Institute was established in 1997 to excavate, preserve, research, and present interesting and historically significant computing devices.
   http://www.blinkenlights.com/

Unisys History Newsletter  
   Information and links to computer history.
   http://www.cc.gatech.edu/services/unisys-folklore/

The SWTPC Computer Documentation Repository  
   Documentation for the SWTPC computer line.
   http://www.swtpc.com/

John Elliott  
   Dedicated to computers and/or operating systems which some might describe as obsolete.
   http://www.seasip.demon.co.uk/

The Oldskool PC Shrines  
   Honoring personal computing in the 1980s.
   http://www.oldskool.org/shrines/

Classic 8-Bit Computers  
   Documentation and technical information for 8-bit home computer systems.
   http://www.madhippy.com/8-bit/index.php

Retro Computer Gallery  
   Collection of pictures of old computers, consoles, handhelds and magazines.
   http://www.imarshall.karoo.net/

Russian Virtual Computer Museum  
   The gathering of information concerning the primary stage of origination and development of IT and computing, primarily in Russia and ex-USSR.
   http://www.computer-museum.ru/english/index.htm

BESM-6 Nostalgia Page  
   Information about the late Soviet mainframe computer BESM-6, the last original was dismantled in 1995.
   http://www.mailcom.com/besm6/

Video Genie System  
   A personal tribute to an early model PC.
   http://home.online.no/~kr-lund/VGS.htm

Enigma Replica  
   Shows all processes involved Building a replica of the German M4 Naval Enigma.
   http://www.enigma-replica.com

Mechanical Aids to Calculation  
   History on the first automatic totalizer by Sir George Julius, mechanical aids to calculation - extracts of a paper presented to the Institution of Engineers Australia in 1920.
   http://www.ozemail.com.au/~bconlon/calcaids.htm

Sos-hardware.windowstothemax.com  
   Specifications and known problems of old hardware.
   http://sos-hardware.windowstothemax.com

The Computer Closet  
   Rescues classic microcomputers and video games from the junk heap.
   http://www.computercloset.org/

Largest Classic Computer Documentation Archive  
   Thousands of scanned classic computer documents.
   http://www.bitsavers.org/pdf/

Development Of Digital Computers  
   Trace out the brief of what led to the invention and developments of Digital computers.
   http://abhijit.bizzyguy.com/computer4.html

Ian's 'Naff Computer Pics Page'  
   A page with some pictures of Honeywell-Bull mainframes and mini's (DPS-6 and DPS-7)
   http://web.ukonline.co.uk/ie.dunster/My%20Stuff/Computer_page.htm

Block I Apollo Guidance Computer Replica  
   Full details of a successful project to build a working reproduction of the 1964 prototype for the Block I Apollo Guidance Computer.
   http://starfish.osfn.org/AGCreplica/

ICL 1900 Series Computers  
   Information about the ICL 1900 series mainframes from the 1970s, both hardware and software. The George (1S, 2, 3 & 4) series operating systems, Minimop and Maximop. Programming languages and other information.
   http://www.fcs.eu.com/icl1900/index.html

Cosmac Elf  
   History of 1802-based computing and home of the TinyELF emulator for Palm OS handhelds. Documents, scans, message board.
   http://homepage.mac.com/ruske/cosmacelf/

The Apollo Guidance Computer Project  
   The Apollo Guidance Computer (AGC) was developed to provide reliable real-time control for the Apollo spacecraft that carried US astronauts to the moon, 1969-1972. This site is devoted to documenting the machines, people and institutions that made this
   http://hrst.mit.edu/hrs/apollo/public/