Freeman Bibliographical Database
| Identifier: | F3682 |
| Date: | 1881--1970 |
| Concise reference: | Darwin, C. R. 1970 [Letter to J. B. Hannay, 22 June 1881]. Sotheby & Co. Catalogue of valuable printed books. 20-21 July. London. |
| Detailed reference: | (John van Wyhe, 2023) |