2 Pages in Charles Darwin's Library associated with "people/references - Baer, Karl Ernst von"

Contributions to the natural history of the United States of North America
By: Agassiz, Louis,
Publication info: [s.n.], [s.n.], n.d
Pages: Page 225
Principles of comparative physiology
By: Carpenter, William Benjamin,
Publication info: London, John Churchill, 1854
Pages: Page 18