Maier, H.W. . Three Theories of Child Development / Textual Documents H.W. Maier. - 3rd ed / - New York : Harper and Row , C 1978. - xi, 292p. : ill. ; 23cm. . Index ISBN: PB Subjects--Index Terms: Education-Child Development Child Development- Theories Dewey Class. No.: 370.1 / Ma 28 Th