Vintage IBM System/360 S/360 Reference Data card ST533B39

IBM System/360/370 1971 Reference Data card for Magnetic Tape Units

Vintage IBM System/360 (S/360) Reference Data - Multi-fold Brochure GX20-1703-9

IBM System/360 Command Language Reference Data Booklet 1970s Vintage System360

IBM System 370 Reference Summary Card - Fourth Edition Nov 1976 (Vintage)

IBM SYSTEM/360 REFERENCE DATA BROCHURE X20-1703-9 USED

Vintage IBM System/360/370 Reference Data ASP card Good condition

IBM Vintage Rare Early Computer System 360 Reference Data Brochure Manual Card