Freeman Bibliographical Database
| Identifier: | F363a |
| Date: | 1960 |
| Concise reference: | [Facsimile draft leaf of Origin, folio 242]. In Bern Dibner, Darwin of the Beagle. Norwalk, Conn.: Burndy Library. |
| Detailed reference: | (John van Wyhe, J. David Archibald, 2023) |