Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR166.42 |
| Date: | 1866.01.28 |
| Name: | Haeckel Ernst to Darwin Charles Robert |
| Document type: | Correspondence |
| Cross reference: | Calendar: 4985 |


| Identifier: | CUL-DAR166.42 |
| Date: | 1866.01.28 |
| Name: | Haeckel Ernst to Darwin Charles Robert |
| Document type: | Correspondence |
| Cross reference: | Calendar: 4985 |