1. Twins: Observations of environmental influences of their development;Burlingham,1947
2. The relationship of twins to each other;Burlingham,1949
3. Twins: A Study of Three Pairs of Identical Twins;Burlingham,1952
4. The inheritance of mental ability;Burt;Amer. Psychologist,1958
5. Responses of preschool children to the Childrens' Apperception Test;Byrd;Child Develpm.,1954