Schwebel, Milton, Piaget in the classroom, [print] edited by Milton Schwebel and Jane Raph. - New York, Basic Books (c)1973. - xii, 305 pages illustrations 22 cm. LCCN: 72089190 Subjects--Personal Names: Piaget, Jean, 1896-1980. LC Class. No.: LB775.R217.P534 1973 LB775