Freeman Bibliographical Database
| Identifier: | F3679 |
| Date: | 1849--1970 |
| Concise reference: | Darwin, C. R. 1970. [Letter to J. S. Henslow, 20 November [1849]]. Christie's. Catalogue of important autograph letters and manuscripts. London. |
| Detailed reference: | (John van Wyhe, 2023) |