| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Cognitive Processes of Nonhuman Primates | 978-0-12-433707-7 (0-12-433707-4) | 2012 |
| Cognitive processes of nonhuman primates | 978-0-12-380850-9 (0-12-380850-2) | 1971 |
E. J. · L. E. · L.J. · Leonard E. · Leonard J.