Freeman Bibliographical Database
| Identifier: | F1375 |
| Date: | 1889 |
| Concise reference: | Darwin, C. R. 1889. The formation of vegetable mould, through the action of worms, with observations on their habits. New York: Humboldt Publishing Co. |
| Detailed reference: | 1375. 1889 New York, Humboldt Publishing Co. As F1371. 931(2). |