Freeman Bibliographical Database
| Identifier: | F1900.29 |
| Date: | 2022 |
| Concise reference: | Burkhardt, F., J. A. Secord et al eds. 2022. The correspondence of Charles Darwin. Cambridge: Cambridge University Press. vol. 29: 1881. |
| Identifier: | F1900.29 |
| Date: | 2022 |
| Concise reference: | Burkhardt, F., J. A. Secord et al eds. 2022. The correspondence of Charles Darwin. Cambridge: Cambridge University Press. vol. 29: 1881. |