Freeman Bibliographical Database
| Identifier: | F1745 |
| Date: | 1869.05.15 |
| Concise reference: | Darwin, C. R. 1869. The formation of mould by worms. Gardeners' Chronicle and Agricultural Gazette no. 20 (15 May): 530. |
| Detailed reference: | 1745. 1869 The formation of mould by worms. Gardeners' Chronicle and Agricultural Gazette, no. 20, p. 530. May 15. |