Freeman Bibliographical Database
| Identifier: | F1969 |
| Date: | 1880.12.00 |
| Concise reference: | [Darwin, C. R.] 1880. [Letter of thanks to the Yorkshire Naturalists' Union]. The naturalist 6 (65) (December): 65-68. |
| Identifier: | F1969 |
| Date: | 1880.12.00 |
| Concise reference: | [Darwin, C. R.] 1880. [Letter of thanks to the Yorkshire Naturalists' Union]. The naturalist 6 (65) (December): 65-68. |