Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR251.4729 |
| Date: | 1900.01.04 |
| Name: | Helmholtz Hermann von to Darwin George Howard |
| Document type: | Correspondence |
| Identifier: | CUL-DAR251.4729 |
| Date: | 1900.01.04 |
| Name: | Helmholtz Hermann von to Darwin George Howard |
| Document type: | Correspondence |