1987 Apple IIGS Technical Reference 400pg Graphics Sound 65816 Programming GS/OS

1983 Programming the Intel 8086 / 8088 Coffron 300+pgs Sybex IBM 5150 5170 PC

Apple II / II Plus / IIe / IIgs Sound Card PCB - Stereo Audio & Speech Synthesis

Bank Street Writer Plus Apple IIe IIc IIGS 5.25” Broderbund 1986 Boxed Set 💾

Programming the 6809 Assembly Language Leventhal Tandy Color Computer 3 CoCo 2

1984 Macintosh Handbook 300pgs 128K Mac Programming / Technical Reference NeXT

Vintage Apple Computer Macintosh Software Disks 7.1 & Manuals Mixed Lot

1985 Commodore 64 Troubleshooting & Repair Art Margolis 350pgs 1541 Disk Drive