Freeman Bibliographical Database
| Identifier: | F3242 |
| Date: | 2009 |
| Concise reference: | Darwin, C. R. 2009. The formation of vegetable mould, through the action of worms, with observations on their habits. USA: Benediction Classics. |
| Identifier: | F3242 |
| Date: | 2009 |
| Concise reference: | Darwin, C. R. 2009. The formation of vegetable mould, through the action of worms, with observations on their habits. USA: Benediction Classics. |