Freeman Bibliographical Database
| Identifier: | F3244 |
| Date: | 2009 |
| Concise reference: | Darwin, C. R. 2009. The formation of vegetable mould, through the action of worms, with observations on their habits. Fork Press. |


| Identifier: | F3244 |
| Date: | 2009 |
| Concise reference: | Darwin, C. R. 2009. The formation of vegetable mould, through the action of worms, with observations on their habits. Fork Press. |