Freeman Bibliographical Database
| Identifier: | F2752 |
| Date: | 1897 |
| Concise reference: | Darwin, C. R. 1897. [Two letters from Darwin to Gustav Jäger in Schlichter, H. G. edited and translated, Problems of Nature, etc.]. |
| Identifier: | F2752 |
| Date: | 1897 |
| Concise reference: | Darwin, C. R. 1897. [Two letters from Darwin to Gustav Jäger in Schlichter, H. G. edited and translated, Problems of Nature, etc.]. |