00911cam a22002651 4500 637 637 279853 OSt 20190827161049.0 730821s1965 nyuc b 000 0ceng 65016488 DLC DLC DLC BF721 .M196 155.4 MAI Maier, Henry W. (Henry William) Three theories of child development: the contributions of Erik H. Erikson, Jean Piaget, and Robert R. Sears, and their applications [by] Henry W. Maier. New York, Harper & Row [1965] xvi, 314 p. ports. 22 cm. Includes bibliographies. Erikson, Erik H. (Erik Homburger), 1902-1994. Piaget, Jean, 1896-1980. Sears, Robert R. (Robert Richardson) Child psychology. 7 cbc orignew u ocip 19 y-gencatlg ddc STS 0 0 ddc 0 0 9/3 AIISH AIISH 2019-08-27 1 155.4 MAI 1506 2022-01-06 00:00:00 2021-12-27 2019-08-27 STS