Freeman Bibliographical Database
| Identifier: | F3639 |
| Date: | 1953 |
| Concise reference: | Darwin, C. R. 1953. The sexual colours of certain butterflies. Collected works vol. 5. pp. 921ff. Moscow, Academy of Sciences, U.S.S.R. |
| Detailed reference: | (Angus Carroll, 2023) |