Beard, Ruth Mary An outline of Piaget's developmental psychology for students and teachers by Ruth M. Beard - New York Basic Books [1969] - xvi, 139 p. 22 cm Bibliography: p. 123-128 ISBN: 9780415402293 Subjects--Topical Terms: Child PsychologyPiaget, Jean, 1896-1980 Dewey Class. No.: 155.4 BEA