IBM System/360 COBOL Prog Fundamentals REF HANDBOOK Prog Instruc Course - 1966!

IBM System/360 Operating Syst MANUAL Book of Illustrations Student Text -1967!

IBM System/360 COBOL Prog Fundamentals Text Prog Instruction Course - 1966!

IBM System/360 Operating Syst Original Oper Training MANUAL Student Text -1967!

IBM DOS 3.30 Disk Operating System Manuals with Disks First Edition 1987

IBM SYSTEMS REFERENCE LIBRARY Original System Oper Ref MANUAL 1401, 1460 -1966!

IBM “A Guide To PL/I For Commercial Programmers” Student Text - 1966!

IBM SYSTEMS REFERENCE LIBRARY Original 1130 Disk Mon System USER’S GUIDE- 1968!