Freeman Bibliographical Database
| Identifier: | F3595 |
| Date: | 1867--1947 |
| Concise reference: | Darwin, C. R. 1947. [Unrecorded letter to A. R. Wallace [19-20 June 1867]]. Maggs Bros. Autograph letters and historical documents. Catalogue no. 765. London. |
| Detailed reference: | (John van Wyhe, 2023) |