RARE 4 x Vintage IBM PS/2 Brochures Models 30,50,60 & 80. 1987 :MINT Museum ?

IBM PS/2 Model 50 Reference Diskette

IBM Personal System/2 Model 60 Quick Reference Computer Book 1987 Vintage

Vintage IBM System/370 Reference Card - 5.25 disk & 80 Column punch card

IBM PS/2 Library: Model 50 Reference Guide & Disk, Spiral

VINTAGE 1991 PC IBM PS/2 Note Model N45SL Disk

Vtg 1987 IBM PS/2 Manuals (Model 50/60 Ref/BIOS, 68X2224, 68X2260/S68X-2260-00)

IBM Disk Operating System Technical Reference DOS 2.10 6024120 KL