Artifact Details Title The TI 99/4A for the beginning beginner Catalog Number 102724113 Type Document Date 1984 Author Cowan, Lee Publisher ENRICH/OHAUS Identifying Numbers ISBN 0-86582-132-1 Extent 176 p. Category Book Collection Title Dave Penniman TI-99/4A collection Credit Gift of Dave Penniman Lot Number X4063.2007