'Unofficial' Timex Sinclair 2068 Site - Covers many aspects of the Timex Sinclair 2068 computer, including its peripherals, hardware, documentation, history and projects. - http://www.timexsinclair.org/
Timex - Planet Sinclair - Information, photos and resources for the Timex/Sinclair computers and peripherals, including a detailed account of its development extracted from Ian Adamson and Richard Kennedy's book "Sinclair and the Sunrise Technology". - http://www.nvg.org/sinclair/computers/timex/timex.htm
Timex Sinclair 2068 - General technical information on the TS2068. - http://www.cris.com/~Alxevans/TS2068.html