Freeman Bibliographical Database
| Identifier: | A2006 |
| Date: | 1878 |
| Concise reference: | Müller, Fritz. 1878. [Letter to Darwin dated 27 November 1877 – read 6 February 1878]. Proceedings of the Entomological Society of London: ii-iii. |
| Identifier: | A2006 |
| Date: | 1878 |
| Concise reference: | Müller, Fritz. 1878. [Letter to Darwin dated 27 November 1877 – read 6 February 1878]. Proceedings of the Entomological Society of London: ii-iii. |