1. Prehistoric animals Title: Prehistoric animals Date: 1954* Author: Scheele Illustrator: Illus. by William E. Scheele Collecting Area: Mathes Childrens Literature
2. Prehistoric man and the primates Title: Prehistoric man and the primates Date: 1957 Author: Scheele* Illustrator: Illus. by William E. Scheele Collecting Area: Mathes Childrens Literature