PL/I-80 Language Manual 1980 Digital Research Vintage Computer Publication

Digital Research CP/M Plus User's, Programmers, System Guide - For Commodore

PL/I-80 Applications Guide 1981 Digital Research Vintage Computer Publication

Digital Research DR DOS 6.0 Operating System, Manuals and Update Disk

AIM 65 Laboratory Manual Study Guide Leo J. Scanlon Computer 1981 Publication

Digital Research CP/M operating system and utilities manuals (for S-100 systems)

Decatur Hunter 2 Piece X-Band Moving Radar 715B Vintage Operator’s Guide, 1980

Rare Wang Office Systems Operator’s Guide Wang Computers Binder 1978 Vintage