Berkowitz, D. S., Leigh, R. D., & Frazier, E. F. (1948). Inequality of opportunity in higher education: A study of minority group and related barriers to college admission. Albany: Williams Press.

Berkowitz, David S., Robert Devore Leigh, and E. Franklin Frazier. Inequality of Opportunity in Higher Education: A Study of Minority Group and Related Barriers to College Admission. Albany: Williams Press, 1948.

Berkowitz, David S., Robert Devore Leigh, and E. Franklin Frazier. Inequality of Opportunity in Higher Education: A Study of Minority Group and Related Barriers to College Admission. Albany: Williams Press, 1948.