Freeman Bibliographical Database
| Identifier: | A3427 |
| Date: | 1870 |
| Concise reference: | Balfour, T. A. G. 1870. Butterflies and birds. Nature (29 December): 166. [Darwin Pamphlet Collection] |
| Identifier: | A3427 |
| Date: | 1870 |
| Concise reference: | Balfour, T. A. G. 1870. Butterflies and birds. Nature (29 December): 166. [Darwin Pamphlet Collection] |