1. Statistical Abstract of the United States,1993
2. Living and dying in the U.S.A.;Rogers;Demography.,1992
3. Why we should continue to study race…but should do a better job;LaVeist;Ethnicity and Disease.,1996
4. Socioeconomic status and health;Kaplan;Am J Prev Med.,1987
5. A mortality study of one million persons by demographic, social, and economic factors;Rogot,1988