Search Results       Your search for [author]Isaacs, Nathan, 1895-1966. returned 1 record.           A brief introduction to Piaget _ New light on children's ideas of numbers _ The growth of understanding in the young child. by Isaacs, Nathan, 1895-1966.; New York: Agathon Press, 1972. Subject: Piaget, Jean -- 1896-.          Add to Book Cart Relevance: 41.49%