- Author: Jean Piaget, Eleanor Duckworth
- Language: English
- Year: 2019
- Author: Maurice Gandillac (editor), Lucien Goldmann (editor), Jean Piaget (editor)
- Language: French
- Year: 1965
- Author: Jean Piaget
- Language: Italian
- Year: 2016
- Author: Jean Piaget
- Language: Spanish
- Year: 1978
Gyermeklélektan
djvu
- Author: Jean Piaget Bärbel Inhelder
- Language: Hungarian
- Author: Jean Piaget
- Language: Portuguese
- Year: 2013
- Author: Jean Piaget
- Language: Portuguese
O Estruturalismo
epub
- Author: Jean Piaget
- Language: Portuguese
O Estruturalismo
mobi
- Author: Jean Piaget
- Language: Portuguese
- Year: 2020
O Estruturalismo
pdf
- Author: Jean Piaget
- Language: Portuguese