Freeman Bibliographical Database
| Identifier: | F1900.25 |
| Date: | 2017 |
| Concise reference: | Burkhardt, F., J. A. Secord et al eds. 2017. The correspondence of Charles Darwin. Cambridge: Cambridge University Press. vol. 25: 1877. |
| Identifier: | F1900.25 |
| Date: | 2017 |
| Concise reference: | Burkhardt, F., J. A. Secord et al eds. 2017. The correspondence of Charles Darwin. Cambridge: Cambridge University Press. vol. 25: 1877. |