Freeman Bibliographical Database
| Identifier: | F356 |
| Date: | 1956 |
| Concise reference: | Darwin, C. R. [1956]. On the tendency of species to form varieties. In The Darwin reader (No. F1613). pp. 103-119. New York: Scribner. |
| Detailed reference: | 356. [1956] New York, Scribner. In The Darwin reader (No. 1613). pp. 103-119. Darwin's contribution pp. 105-110. |