| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Birth of Personality: The Development of Independent and Moral Behavior in Preschool Children | 978-0-13-302167-7 (0-13-302167-X) | 1994 |
| The Child as a Cartesian Thinker: Children's Reasonings about Metaphysical Aspects of Reality | 978-1-138-91106-2 (1-138-91106-2) | 2015 |