Freeman Bibliographical Database
| Identifier: | F3690 |
| Date: | 1871--1973 |
| Concise reference: | Darwin, C. R. 1973. [Letter to Michael Foster, 6 June [1871]]. Sotheby & Co. Catalogue of valuable printed books. 12-13 March. London. |
| Detailed reference: | (John van Wyhe, 2023) |