Microsoft Excel User's Guide Version 5.0 Microsoft Corporation Paperback 1994

Commodore BASIC Version 4.0 User's Reference Manual 1st Ed. 1980

Apple At Ease 2.0 User's Owners Guide & Quick Reference Card

Turbo C User's Guide IBM Version Borland Computer Reference First Edition 1987

Original Microsoft Windows 3.1 User's Guide Manual

1970'S HANDBOOK OF FLORIDA SHELLS BY LULA SIEKMAN - SOFTCOVER old reference

MICROSOFT MS-DOS Version 5.0 User's Guide and Reference 1991 Vintage PB Zennith

Microsoft Excel User's Guide Paperback 1994