Piaget, Jean, 1896-1980 The language and thought of the child / pref. by E. Claparede, tr anslated by Marjorie Gabain. - 3d ed. - New York : Humanities Press, 1959. - xxiv, 288 p. : ill. ; 22 cm. Subjects--Topical Terms: Child development.Child psychology. Dewey Class. No.: 155.4