| Author: | Pycraft, W. P. (William Plane), 1868-1942 |
| Subject: | QL, Natural selection, Animal behavior |
| Format: | Electronic text |
| Date issued: | 2019 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Courtship of Animals [electronic resource] / W. P. Pycraft |