Jean Piaget

Jean Piaget (1896-1980) published more than 50 books and 500 papers, most notable among them being Language and Thought of the Child, Judgment and Reasoning in the Child, and The Psychology of Intelligence.
Ebooks
Play, Dreams And Imitation In Childhood
Morphisms and Categories: Comparing and Transforming
Origin of Intelligence in the Child: Selected Works vol 3, Volume 3
Child's Conception of Movement and Speed
Mathematical Epistemology and Psychology
Book 12
Insights and Illusions of Philosophy: Selected Works vol 9, Volume 9
Experimental Psychology Its Scope and Method: Volume VII (Psychology Revivals): Intelligence
THE CHILD'S CONCEPTION OF Physical CAUSALITY
Judgement and Reasoning in the Child
Toward A Logic of Meanings
Morphisms and Categories: Comparing and Transforming
Child's Construction of Quantities: Selected Works vol 8, Volume 8
Principles of Genetic Epistemology: Selected Works vol 7, Volume 7
Language and Thought of the Child: Selected Works vol 5, Edition 4
Structuralism (Psychology Revivals)
Child's Conception Of Geometry
Experimental Psychology Its Scope and Method: Volume I (Psychology Revivals): History and Method
Memory and Intelligence (Psychology Revivals)
The Construction Of Reality In The Child
Success and Understanding
Child's Conception of the World: Selected Works vol 1, Volume 1
The Origin of the Idea of Chance in Children (Psychology Revivals)
Judgement and Reasoning in the Child
The Origin of the Idea of Chance in Children (Psychology Revivals)
Experimental Psychology Its Scope and Method: Volume VII (Psychology Revivals): Intelligence
Behaviour and Evolution
The Child's Conception of Time
The Mechanisms of Perception
Experimental Psychology Its Scope and Method: Volume I (Psychology Revivals): History and Method
Language and Thought of the Child: Selected Works vol 5, Volume 5, Edition 4
Le Domaine Humain / The Human Context: Der Mensch und Seine Welt / Hombre Y Sociedad / Il Mondo Vissuto Dell’Uomo
The Child's Conception of Physical Causality
The Child's Conception of Time
Memory and Intelligence (Psychology Revivals)
The Early Growth of Logic in the Child: Classification and Seriation
Book 83
Child's Conception of Number: Selected Works vol 2, Volume 2
Studies in Reflecting Abstraction
Sociological Studies
Child's Conception Of Geometry
Book 81
The Construction Of Reality In The Child
Book 82
The Moral Judgment Of The Child
Structuralism (Psychology Revivals)
The Child's Conception of the World: A 20th-Century Classic of Child Psychology
The Growth Of Logical Thinking From Childhood To Adolescence: AN ESSAY ON THE CONSTRUCTION OF FORMAL OPERATIONAL STRUCTURES
Book 84
Mental Imaginery in the Child: Selected Works vol 6, Volume 6
Child's Conception of Space: Selected Works vol 4, Volume 4
Psicogénesis e historia de la ciencia
Le Possible et le Nécessaire (2): L'évolution du nécessaire chez l'enfant
La rappresentazione del mondo nel fanciullo
€6.99
Epistemologia matematica e psicologia: Ricerca sulle relazioni tra la logica formale e il pensiero reale
€34.99
Initiation au calcul: La genèse du nombre chez l'enfant. De la psychologie à la pédagogie du calcul. L'apprentissage des nombres
Les notions de mouvement et de vitesse chez l'enfant
Probleme de psihologie genetica: Copilul si realitatea
€10.02
Traité de psychologie expérimentale (7): L'Intelligence
La formation du symbole chez l'enfant: Imitation, jeu et rêve, image et représentation
De la pédagogie
€14.99
Восприятие мира у детей
€9.99
Introduction à l'épistémologie génétique (1): La pensée mathématique
Introduction à l'épistémologie génétique: La pensée physique
La naissance de l'intelligence chez l'enfant
La Psychologie de l'intelligence
€6.99
La Genèse des structures logiques élémentaires: Classifications et sériations
Recherches sur l'abstraction réfléchissante (1). L'abstraction des relations logico-arithmétiques: Suivi du tome 2 : L'abstraction de l'ordre et des relations spatiales
Sagesse et illusion de la philosophie
La formation du symbole chez l'enfant: Imitation, jeu et rêve, image et représentation
L'epistemologia genetica
€16.99
Psicología y pedagogía: Cómo llevar adelante la teoría del aprendizaje a la práctica docente
€9.99
Entretiens sur les notions de genèse et de structure
€119.85
Речь и мышление ребенка
Les explications causales
Relações entre a afetividade e a inteligência no desenvolvimento mental da criança
Psicología del niño (ed. renovada)
€12.99
Épistémologie et psychologie de l'identité
Le Possible et le Nécessaire (1): L'évolution des possibles chez l'enfant