| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Cognitive Development in Chimpanzees | 978-4-431-30246-9 (4-431-30246-8) | 2006 | Masaki Tomonaga · Masayuki Tanaka |
| Primate Origins of Human Cognition and Behavior | 978-4-431-09422-7 (4-431-09422-9) | 2008 | |