Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR166.60 |
| Date: | 1873.02.23 |
| Name: | Haeckel Ernst to Darwin Charles Robert |
| Document type: | Correspondence |
| Cross reference: | Calendar: 8783 |


| Identifier: | CUL-DAR166.60 |
| Date: | 1873.02.23 |
| Name: | Haeckel Ernst to Darwin Charles Robert |
| Document type: | Correspondence |
| Cross reference: | Calendar: 8783 |