Documents
Various documents for Timex/Sinclair computers, software, etc. Includes catalogs, manuals, letters and more.
Periodicals
More than 11,000 articles were published about the Sinclair and Timex computers in everything from academic publications, general computing and dedicated magazines to user group newsletters.
Books
American Sinclair users were in a unique position not shared with their British counterparts. Initial support from magazines and publishers was poor because the ZX80 and ZX81 computers were not taken seriously.