Freeman Bibliographical Database
| Identifier: | F1992 |
| Date: | 1880.05.00 |
| Concise reference: | Darwin, C. R. 1880. [Letter to Samuel Butler on Kosmos and Erasmus Darwin]. In Butler, S. Unconscious memory. London: D. Bogue, pp. 72-3. |
| Identifier: | F1992 |
| Date: | 1880.05.00 |
| Concise reference: | Darwin, C. R. 1880. [Letter to Samuel Butler on Kosmos and Erasmus Darwin]. In Butler, S. Unconscious memory. London: D. Bogue, pp. 72-3. |