Three theories of child development : the contributions of Erik H . Erikson, Jean Piaget, and Robert R. Sears, and their applications - Maier, Henry W. (Henry William) (New York : Harper & Row, 1969)
Includes bibliographical references.
Keywords: Erikson, Erik H. -- 1902-; Piaget, Jean, -- 1896-; Sears, Robert R; Child psychology