'Unofficial' Timex Sinclair 2068 Site: Covers many aspects of the Timex Sinclair 2068 computer, including its peripherals, hardware, documentation, history and projects.
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".
Timex Sinclair 2068: General technical information on the TS2068.