The first land animals
By: by Alfred S. Romer.
Contributors: American Museum of Natural History
Series: Guide leaflet series of the American Museum of Natural History -- no. 107; Guide leaflet series (American Museum of Natural History : 1927) -- no. 107
Publisher: American Museum of Natural History
Published: 1941
Place of publication: [New York]
Language: eng
Number of pages: 243
Subjects: Reptiles, Fossil.; Paleontology -- Permian.