Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR60.2.24 |
| Date: | [Undated] |
| Name: | Darwin Charles Robert |
| Attributed title: | Spencer H `Principles of biology' II: 354 |
| Document type: | Abstract |
| Cross reference: | [Marginalia vol.3] |


| Identifier: | CUL-DAR60.2.24 |
| Date: | [Undated] |
| Name: | Darwin Charles Robert |
| Attributed title: | Spencer H `Principles of biology' II: 354 |
| Document type: | Abstract |
| Cross reference: | [Marginalia vol.3] |