Amazon.com: Piaget and the Foundations of Knowledge (Jean Piaget Symposia Series): 9780898592481: Liben, Lynn S.: Books
Amazon.com: Toward A Logic of Meanings: 9781138985797: Piaget, Jean, Garcia, Rolando, Davidson, Philip, Davidson, Philip M., Davidson, Philip M., Easley, Jack: Books
Amazon.com: Piaget and Knowing: 9780415402309: Geber, B.A.: Books