1. Race-Class Stereotypes
2. Bernard J. Marriage and Family among Negroes, New Jersey: Prentice-Hall, Inc., 1966.
3. Drake S. & Cayton H., Black Metropolis: A Study of Negro Life in a Northern City. New York: Harcourt, Brace, & Company, 1945.
4. Ethnic and Class Preferences Among College Negroes