- Author: Jean Piaget, Bärbel Inhelder
- Language: French
- Year: 1973
- Author: Jean Piaget
- Language: French
- Year: 1970
- Author: Jean Piaget Alina Szeminska
- Language: Spanish
- Year: 1967
- Author: Jean Piaget
- Language: Italian
- Year: 2015
- Author: Jean Piaget
- Language: Swedish
- Year: 1972
- Author: Jean Piaget & Bärbel Inhelder
- Language: Spanish
- Year: 1967
- Author: Jean Piaget
- Language: English
- Year: 1971
- Author: Jean Piaget
- Language: English
- Year: 1957
- Author: Jean Piaget et al.
- Language: Spanish
- Year: 1984
- Author: Jean Piaget et al.
- Language: Spanish
- Year: 1977