SUM: The Sinclair/Timex Users Magazine
3224 Northwest 30th Ave, Gainesville, FL 32605
Joseph Williamson and Richard Cravy published SUM. It started as the newsletter of the Gainesville Sinclair/Timex Users Group and became a significant magazine in its own right. SUM eventually merged with Time Designs Magazine.
Books
A compilation of the best articles, reviews, programs and hardware projects up through December, 1985.
TS 1000 TS 2068
Periodicals
Originally a user group newsletter, it transitioned to a full magazine.