Freeman Bibliographical Database
| Identifier: | F904 |
| Date: | 1920 |
| Concise reference: | Darwin, C. R. 1920. The variation of animals and plants under domestication. New York: D. Appleton. |
| Detailed reference: | 904. 1920 New York, D. Appleton. As F900.1272(4), 1273(1). |