Author: Springer, Frank.
Title: American Silurian Crinoids.
Description: Washington, 1926. 175 pp. 31 b/w plts. Soft cover. - Worn. Front-cover with waterstain along the edges. From the library of H.a.Brouwer. Stamp on front-cover & title-page.

Keywords: Paleontology North America Paleontologie Amerika