Isaacs, Nathan, 1895-1966, A brief introduction to Piaget : the growth of understanding in the young child and new light on children's ideas of number / Nathan Isaacs ; foreword by Evelyn Lawrence. - New York : Algora Publishing, (c)2015.. - 1 online resource. Includes bibliographical references. ISBN: 9780875866567 Subjects--Personal Names: Piaget, Jean, 1896-1980. Index Terms--Genre/Form: Electronic Books. LC Class. No.: LB775 / .B754 2015