1. Frey WH. Diversity explosion: how new racial demographics are remaking. America: Brookings Institution Press; 2014.
2. Caldwell C. Review of the Browning of America by William H. Frey.. Claremont review of books. J Pol Thought Statesmanship. 2015;15.
3. Uriarte M. The meaning of the Browning of America. 1991.
4. Williams DR, Mohammed SA, Leavell J, Collins C. Race, socioeconomic status, and health: complexities, ongoing challenges, and research opportunities. Ann N Y Acad Sci. 2010;1186(1):69–101.
5. NCHS. Health, United States, 2015: with special feature on racial and ethnic health disparities. 2016.