BASIC Faster and Better & Other Mysteries

by Lewis Rosenfelder

Machine Language Disk I/O & Other Mysteries

by Michael J. Wagner

TRS-80 DISK & Other Mysteries

by H.C. Pennington 

TRS-80 Model III/4 Operation and BASIC Language Reference Manual

TRS-80 Model III Assembly Language

by Hubert S. Howe, Jr

57 Practical Programs & Games in BASIC

by Ken Tracton

More TRS-80 Assembly Language Programming

by Bill Barden

TRS-80 Modem IB Operation Manual

by Radio Shack

BASIC Conversion Handbook
 

Level II BASIC
 

Reference Manual

Inside Super Utility Plus
 

Series 3.0

Getting Started with TRS-80 BASIC

Installation Manual

Advanced Level II BASIC
 

A Learning Guide

TRS80 Cobol
 

by Robert T. Grauer

Computer Programming in BASIC For Everyone

Color Computer Technical Reference Manual

The Complete Rainbow Guide to OS9

by Dale L. Pucket and Peter Dibble

TRS-80 Pocket Handbook

Model III Startup Guide
 

Model III Startup Guide
 

Getting Started with Extended Color BASIC

Color Computer 3 Extended BASIC

Thrilling Games for the Tandy Color Computer

by Hal Renko / Sam Edwards

Introducing Your Color Computer 2

Introducing Your Color Computer 3

Pocket Computer Software

Pocket Computer Programs

by Jim Cole

6809 Assembly Language Programming

by Lance A. Leventhal

The MC6809 Cookbook

by Carl D. Warren