Freeman Bibliographical Database
| Identifier: | F3326 |
| Date: | 2015 |
| Concise reference: | Darwin, C. R. 2015. It was snowing butterflies. Little Black Classics: 80 books for Penguin's 80th birthday. London. Penguin. (Selections from Journal of researches) |
| Detailed reference: | (John van Wyhe) |