Atari ST GEM Programmer's Reference Norbert Szczepanowski 1987 Abacus

Vintage 1983 Introduction To Atari Disk Operating System & Reference Manual

The Print Shop Reference Manual for the Commodore 64 - No program

Pocket Writer 2 Reference Guide for the Commodore 64 C64 - No Program

Games Commodores Play - 1984 Vintage Book of Commodore 64 Computer Game Programs

Graphix AT Atari Computer Instruction Manual - No program or disk

Commodore 128 Programmer's Reference Guide - 6x9 Edition By Commodore

Lot of 11 Atari 400/800/2600 Books & Manuals