MS-DOS VERSION 3 Reference Guide Manual by COMPAQ

Compaq MS-DOS Version 5 Reference Guide

Vintage Compaq MS-DOS Version 3 Reference Guide

Compaq Basic Version 2 Reference Guide 100632

Vintage Microsoft MS-DOS User's Guide And Reference Operating System Version 5.0

Compaq Basic Version 2 Quick Reference Guide w/ MS DOS Functions Guide

COMPAQ MS DOS VERSION 3 - REFERENCE GUIDE 1985

Vintage 1989 TANDY MS-DOS Quick Reference Guide Version 3.3 - USA