The Online Books Page

Books by John C. Germann:

• Germann, John C., illust.: The Dinosaur Book: The Ruling Reptiles and Their Relatives (Man and Nature Publications handbook #14; New York: American Museum of Natural History, 1945), by Edwin H. Colbert, also illust. by Charles Robert Knight (multiple formats at archive.org)
• Germann, John C., illust.: The Dinosaur Book: The Ruling Reptiles and Their Relatives (second edition; New York et al.: Pub. for the American Museum of Natural History by McGraw-Hill Book Co., c1951), by Edwin H. Colbert, also illust. by Charles Robert Knight (page images at HathiTrust)
• Germann, John C., illust.: The Dinosaur Book: The Ruling Reptiles and Their Relatives (second edition; New York et al.: Pub. for the American Museum of Natural History by McGraw-Hill, 1951), by Edwin H. Colbert, also illust. by Charles Robert Knight (multiple formats at archive.org)

Find more by John C. Germann at your library, or elsewhere.