Micro on the OSI
Programming a Microcomputer: 6502
Ohio Scientific: Full Line Catalog 1979
Various MOS Data sheets
TNT Software User's Newsletter #12
OSI 6502 8K BASIC Users Manual
Challenger IIP Update
Application Note for the Challenger IIP 7/11/1978
TV to Monitor Mod for Panasonic TR-882
Ohio Scientific Small Systems Journal 1.1-1.6, 2.1(x2)-2.2
Ohio Scientific Small Systems Journal – unknown issue
Many various catalogs for different software & hardware companies
Program listings on thermal paper
The Challenger Character Graphics Reference Manual
Many copies of magazine articles
Various schmatics
Peek(65) issues 1.3-2.1(x2), 2.2(x2)-7.3
Computer class notes and assignments
Various receipts
OSI Spring 1979 catalog
KIM-1 Users Manual
The First Book of OSI
OSI BASIC in ROM
Compute issue 3.5 (May 1981)
OSI 6500 Assembler/Editor User's Manual
OSI Servicing Data for Computer Boards 502, 505, 527, 540, & 542
Challenger C2-4P Technical Report
Challenger C2-4P Users Manual
OSI Challenger II/III Preliminary Manual
OSI Comprehensive Information Package II – Fall 77
OSI Extended Machine Language Monitor User's Manual
OSI Fall 77 Catalog
Aardvark Journal 1.1-3.3
MOS Programming Manual
MOS Hardware Manual
Challenger Character Graphics Reference Manual Aug 1978
8K BASIC-in-ROM Reference Manual Sept. 1978
The C4P Users Manual
65V Primer
Understanding Your Ohio Scientific C1P and C4P