Freeman Bibliographical Database
| Identifier: | F4056 |
| Date: | 1861--1909 |
| Concise reference: | Darwin, C. R. 1909. [Letter to Joseph Leidy, 1861]. In H. F. Osborn, Darwin and paleontology. Fifty years of Darwinism; modern aspects of evolution; centennial addresses in honor of Charles Darwin. American Association for the Advancement of Science. New York: H. Holt & Co., pp. 209-210. |
| Detailed reference: | (John van Wyhe) |