IBM Technical Reference 6936808 Personal Computer XT

Apple Numerics Manual 0201177382 Second Edition 1990 Hardcover Computing

Vintage Apple Macintosh Inacomp Sun & Fun Promotional Cubepad Note Block

Commodore Vic20 Programmers Reference Guide (1983)

Vintage IBM Software Directory 1984 Keyword Index & Program Info Booklet

Vintage Commodore 64 User's Guide 1st Ed. & Programmers Reference Guide 1st Ed.

Atari ST Format "magazine"

Vic 20 Memory Expansion Set, Super, 8k,16k, Programmers Aid