Freeman Bibliographical Database
| Identifier: | F1900.15 |
| Date: | 2005 |
| Concise reference: | Burkhardt, F., D. Porter et al eds. 2005. The correspondence of Charles Darwin. Cambridge: Cambridge University Press. vol. 15: 1867. |
| Identifier: | F1900.15 |
| Date: | 2005 |
| Concise reference: | Burkhardt, F., D. Porter et al eds. 2005. The correspondence of Charles Darwin. Cambridge: Cambridge University Press. vol. 15: 1867. |