| http://www.atari-history.com/ | The Atari Historical Society. A site with _very_ extensive info. |
| http://atarihq.com/danb/52tech.htm | Dan Boris' Atari 5200 technical information |
| http://crash.ihug.co.nz/~aaronat/atari.html | Holmes Atari 400/800/XL/XE game archive |