| Author: | Gaskell, Walter Holbrook, 1847-1914 |
| Subject: | QH, Vertebrates |
| Format: | Text |
| Date issued: | 2013 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Origin of Vertebrates [electronic resource] / Walter Holbrook Gaskell |