Flexer, Jules Robert, and Dr. Christopher L. Morgan. Digital Video Systems Schematics for CAT-100/C D Board Rev. 5- 6/29/80; CAT-100/C A Board Rev. 2C- 7/3/80. Copy of CAT-100 Operator Guides.. Palo Alto, CA: Digital Graphics Systems, 1980.

CAT-100 C Frame Buffer D Board and A Board Schematics. Palo Alto, CA: Digital Video Systems, 1978.

Digital Video Systems Binder for copies of ETC Frame Buffer User Manual includes: "Lightpen Instructions and Specifications" (2 pages), Warranty and Serial Number (shipped 12/22/80), "Cat-100 User's Manual" (24 pages), "Cat-100 Technical Specifications an. Palo Alto, CA: Digital Video Systems, 1977.