The First two years : a study of twenty-five babies - Shirley, Mary Margaret, 1899- (Westport, Conn. : Greenwood Press, 1973)
v. 1 - Postural and locomotor development -- v. 2 - Intellecutal development -- v. 3 - Personality manifestations
Reprint of the ed. published by the University of Minnesota Press, Minneapolis, which was issued as no. 6-8 of the University of Minnesota, Institute of Child Welfare's Monograph series.
Includes bibliographies.
Keywords: Infants -- Development; Developmental psychobiology