| Author: | Yerkes, Robert Mearns, 1876-1956 |
| Subject: | QL, Animal intelligence, Mammals -- Psychology, Primates -- Psychology |
| Format: | Text |
| Date issued: | 2004 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Mental Life of Monkeys and Apes : A Study of Ideational Behavior [electronic resource] / Robert Mearns Yerkes |