Davis, Paul. Experimental Television Center S-100 Bus and Interface. Owego, NY: Experimental Television Center, 1977.

Rod., and Paul Davis. Harpo Description and Operating Instructions with additional notes and subroutines., 1979.

Jones, David, Richard Brewster, and Paul Davis. Jones and Brewster Documentation (Frame Buffer and D+7A Input/ Output). Owego, NY: Experimental Television Center, 1979.

Davis, Paul. Subroutine Estats, Compiler Definitions, PLOP Error Codes for CAT-100 (26 pages). Owego, NY: Experimental Television Center, 1979.