| Author: | Duellman, William Edward, 1930- |
| Subject: | QH, Frogs |
| Format: | Text |
| Date issued: | 2010 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Descriptions of Two Species of Frogs, Genus Ptychohyla : Studies of American Hylid Frogs, V [electronic resource] / William Edward Duellman |