Three theories of child development : The contributions of Erik H. Erikson, Jean Piaget, and Robert R. Sears, and their applications - Maier, Henry William (New York: Harper & Row, 1969)
Includes bibliographies.
Keywords: Erikson, Erik Homburger, -- 1902-1994.; Piaget, Jean, -- 1896-1980.; Sears, Robert Richardson; Child psychology