Biological anthropology, anthropological genetics, demography, biological bases of human behavior and primate genetics, genetic epidemiology; Central America, Caribbean, Europe, Russia.

Antropologia Biologia de los Indios Americanos. (1992) Colecciones MAPFRE, 1492. 314 pp. (This volume was commissioned in commemoration of the quincentennial of Columbus ' journey to the New World .)

Anthropological Genetics of New World Populations (University of Cambridge Press, 1996) In press.

Editor, The Tlaxcaltecans: Prehistory, Demography, Morphology, and Genetics . (Lawrence: University of Kansas Anthropological Series, No. 7, 1976) 208 pps.

Sixty-nine other published articles and papers relating to Latin American.

Biological Anthropology of Amerindians; Population Dynamics

Ph.D. University of Washington (1967)