IBM-A Special Company - Think Mag Vol 55 #5. Sep 1989.

Micro Works Unraveled: A disassembly of the Microworks 6809 Editor and Assembler

(Commodore) PET and the (IEEE) 488 Bus (GPIB), 1980 Book from OSBORNE/McGrawHill

CBASIC User Guide Osborne Eubanks McNiff Vintage CP/M Programming Book 1981

Apple IIGS Technical Reference Vintage Book ISBN 0-07-081030-4 Osborne 1987

Modems Made Easy User Guide 1993 Osborne McGraw-Hill IBM PC Vintage Computing

An Introduction to Micro Computers Volume O The Beginner's Book by Adam Osborne

Borland Osborne/McGraw-Hill Using Turbo BASIC Book ISBN 0-07-881262-8