Freeman Bibliographical Database
| Identifier: | F3519 |
| Date: | 1868--1909 |
| Concise reference: | Darwin, C. R. 1909. Draft of Descent, folios 11-12. In Darwin's manuscript. Popular Science Monthly 74 (April): 408 and 410. |
| Detailed reference: | (J. David Archibald, 2022) |