1. ‘The size of mental defective boys.’;Dulton;Arch. Dis. Childh.,1959
2. “The physical growth of mentally deficient boys.‘;Flory;Mongr. Soc. Res. Child Develop.,1936
3. ‘The height and weight of feeble-minded children in American institutions.’;Goddard;J. nerv, ment. Dis.,1912
4. Height and weight of children in relation to general intelligence;Mead;Pediat. Sem.,1914
5. Mead , C. D. 1916 The relation of general intelligence to certain mental and physical traits