IBM PCjr Personal Computer Technical Reference (With update)

IBM Basic, IBM Guide To Operations, IBM DOS, & MS-Dos 3.3, Lot!

IBM PCJr Hardware Maintenance and Service Manual - With update, doodads

IBM Lot Manuals Basic, Guide to operations,disk operating System

IBM PCjr Hardware Reference Library Guide to Operations 1983 First Edition. LOOK

IBM Hands-On BASIC User Manual for IBM PCjr Vintage Spiral Edition

5 vintage guides / manuals on IBM DOS, BASIC, Ops/Svc , Maintenance, Tech Ref

IBM PCjr BASIC Personal Computer HARDWARE REFERENCE LIBRARY, BASIC PC 6024101