Vintage IBM Manual: "Personal Computer Hardware Reference Library" - SEALED

IBM Personal Computer Hardware Reference Library Guide To Operations 6025000 '81

IBM Basic 6025010 Personal Computer Hardware Reference Library

Vintage IBM Basic Personal Computer Hardware Reference Library

IBM PCjr BASIC - Personal Computer PCjr Hardware Reference Library 1983 6322881

IBM BASIC 3.0 – Personal Computer Hardware Reference Library – Binder + Slipcase

IBM Basic Personal Computer Hardware Reference Library Sealed 6025010

IBM PERSONAL COMPUTER HARDWARE REFERENCE LIBRARY, PCJR 6024101, SEALED