Freeman Bibliographical Database
| Identifier: | F3277 |
| Date: | 1987 |
| Concise reference: | Ridley, Mark, ed. 1987. The essential Darwin. London: Unwin Paperbacks. |
| Identifier: | F3277 |
| Date: | 1987 |
| Concise reference: | Ridley, Mark, ed. 1987. The essential Darwin. London: Unwin Paperbacks. |