1. Kluckhohn, Clyde, and Murray, Henry A.: Personality in Nature, Society and Culture. P. 39. Knopf. New York. 1949.
2. Hunt, Wm. A.: The relative incidence of psychoneuroses among Negroes. J. Consult. Psychol., 11:133–136, 1947.
3. Ripley, Herbert S., and Wolf, Stewart: Mental illness among Negro troops overseas. Am. J. Psychiat., 103:499–512, 1947.
4. Stevens, Rutherford B.: Racial aspects of emotional problems of Negro soldiers. Am. J. Psychiat., 103:393–398, 1947.
5. Verin, O.: Manifestations of racial conflicts in Negro clients of a child guidance clinic. Smith College Studies Social Work, 15:126–127, 1944.