Title: Freud, Piaget, Wygotski und Loewald
First published: 1992
People: L. S. Vygotskiĭ (1896-1934), Hans W. Loewald (1906-), Jean Piaget (1896-1980), Sigmund Freud (1856-1939)
LC classification: BF173.F85 E539 1992