| Author: | Chapman, Frank M. (Frank Michler), 1864-1945 |
| Subject: | QL, Birds -- North America |
| Format: | Electronic text |
| Date issued: | 2011 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Color Key to North American Birds : with bibliographical appendix [electronic resource] / Frank M. Chapman |