Freeman Bibliographical Database
| Identifier: | F2566 |
| Date: | 1880--1931 |
| Concise reference: | Darwin, C. R. 1931. Letter purported to be to Karl Marx but in fact to E. B. Aveling, 13 October 1880]. Pod Znamenem Marxizma [Под зна́менем маркси́зма], no. 1-2: 203-04. [In Russian]. |