Freeman Bibliographical Database
| Identifier: | F3235 |
| Date: | 1904 |
| Concise reference: | Darwin, C. R. 1904. The formation of vegetable mould, through the action of worms, with observations on their habits. New York: D. Appleton and Co. |
| Identifier: | F3235 |
| Date: | 1904 |
| Concise reference: | Darwin, C. R. 1904. The formation of vegetable mould, through the action of worms, with observations on their habits. New York: D. Appleton and Co. |