Cook, L. A. (1950). College programs in intergroup relations: A report by twenty-four colleges participating in the College Study in Intergroup Relations, 1945-49. [Washington]: American Council on Education.

Cook, Lloyd Allen. College Programs in Intergroup Relations: A Report By Twenty-four Colleges Participating in the College Study in Intergroup Relations, 1945-49. [Washington]: American Council on Education, 1950.

Cook, Lloyd Allen. College Programs in Intergroup Relations: A Report By Twenty-four Colleges Participating in the College Study in Intergroup Relations, 1945-49. [Washington]: American Council on Education, 1950.