IBM Basic 6025013 Personal Computer Hardware Reference Library 2nd Edition 1982

IBM Basic Personal Computer PC Hardware Reference Library 6025010 2nd ed. 1982

IBM Basic Personal Computer PC Hardware Reference Library 6936691 2nd ed. 1982

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

Vintage IBM Personal Computer Hardware Reference Library Basic Manual 6025013

1985 IBM Guide to Operations 6138519 First Edition DOS No Disk