Engineering Software catalog, August 1988, by California Scientific Software.

Vintage Egghead Software 1988 Mug

Vintage 1988 Asgard Software Catalogue

Apple Spring 1981 Catalog Computer Software Technology Magazine Vintage Print

Spectrum Holobyte 1988 games software catalog

Apple Engineering/Scientific Solutions Guide Summer 1988 Vintage Book

Cataloging Microcomputer Software by Nancy B Olsen 1988

Tandy Computer 1988 Catalog and Software Reference Guide (Radio Shack) #RD-16