Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR68.30 |
| Date: | [Undated] |
| Name: | Darwin Charles Robert |
| Attributed title: | [reference incomplete] `[G]990' |
| Description: | Pfeffer, Wilhelm. 1875. Die periodische Bewegungen der Blattorgane. Leipzig |
| Document type: | Abstract |
| Cross reference: | [Marginalia vol.3] |