Radio Shack Tandy TRS-80 Micro Computer Technical Reference Manual Handbook

Radio Shack Tandy TRS-80 Color Computer Technical Reference Manual

Original 1979 Radio Shack TRS-80 Computer Expansion Interface Hardware Catalog

TRS-80 User's Manual for Level 1 - Radio Shack Micro Computer System

Radio Shack Tandy TRS-80 MC-10 Micro Color Computer Service Manual

Radio Shack - Level II Basic Reference Manual Trs-80 Micro Computer System Tandy

TRS-80 User's Manual for Level 1 - Radio Shack Micro Computer System 1978