Vintage IBM COBOL General Information - Systems Reference Library Dated 1961

VTG IBM Systems Reference Library IBM OS COBOL Reference Manual 1973 RARE

IBM OS COBOL Version 4 Programmers Guide 5734-CB2 5734-LM2 1970's Nat Standard

Vintage~June 1975~IBM Systems Reference Library~DOS COBOL~S360-24, GC28-6396-5

Vintage Original ATARI 400/800 Computer Book, Manual, Brochure Lot

IBM OS COBOL Version 4 Programmers Guide 5734-CB2 5734-LM2 1970's Nat Standard

Burroughs B1700 Systems COBOL Reference Manual

Vintage IBM software, "Personal Communications/3270" version 4.0