1. Cavalli-Sforza, L. L. (1997) Proc. Natl. Acad. Sci. USA 94, 7719-7724.

2. Diamond, J. & Bellwood, P. (2003) Science 300, 597-603.

3. Renfrew, C. (2000) in America Past, America Present: Genes and Languages in the Americas and Beyond, ed. Renfrew, C. (McDonald Institute for Archaeological Research, Cambridge, U.K.), pp. 3-16.

4. Bolnick (Weiss), D. A., Shook (Shultz), B. A., Campbell, L. & Goddard, I. (2004) Am. J. Hum. Genet. 75, 519-523.

5. Spuhler, J. N. (1979) in The First Americans: Origins, Affinities, and Adaptations, ed. Harper, A. B. (Bustav-Fischer, New York).

6. Spuhler, J. N. (1972) in The Assessment of Population Affinities in Man, ed. Huizinga, J. (Clarendon Press, Oxford).

7. Cavalli-Sforza, L. L., Piazza, A., Menozzi, P. & Mountain, J. (1988) Proc. Natl. Acad. Sci. USA 85, 6002-6006.

8. Dixon, R. M. W. (1997) The Rise and Fall of Languages (Cambridge Univ. Press, Cambridge, U.K.).

9. Nettle, D. (1999) Proc. Natl. Acad. Sci. USA 96, 3325-3329.

10. Campbell, L. (1997) American Indian Languages: The Historical Linguistics of Native America (Oxford Univ. Press, New York).

11. Fagundes, N. J., Bonatto, S. L., Callegari-Jacques, S. M. & Salzano, F. M. (2002) Am. J. Phys. Anthropol. 117, 68-78.

12. Merriwether, D. A., Friedlaender, J. S., Mediavilla, J., Mgone, C., Gentz, F. & Ferrell, R. E. (1999) Am. J. Phys. Anthropol. 110, 243-270.

13. Piazza, A., Rendine, S., Minch, E., Menozzi, P., Mountain, J. & Cavalli-Sforza, L. L. (1995) in Proc. Natl. Acad. Sci. USA 92, 5836-5840.

14. Torroni, A., Schurr, T. G., Cabell, M. F., Brown, M. D., Neel, J. V., Larsen, M., Smith, D. G., Vullo, C. M. & Wallace, D. C. (1993) Am. J. Hum. Genet. 53, 563-590.

15. Bonatto, S. L. & Salzano, F. M. (1997) Proc. Natl. Acad. Sci. USA 94, 1866-1871.

16. Watson, E., Bauer, K., Aman, R., Weiss, G., von Haeseler, A. & Paabo, S. (1996) Am. J. Hum. Genet. 59, 437-444.

17. Ward, R. H., Redd, A., Valencia, D., Frazier, B. & Paabo, S. (1993) Proc. Natl. Acad. Sci. USA 90, 10663-10667.

18. Nichols, J. (1990) Language 66, 475-521.

19. Greenberg, J. (1987) Language in the Americas (Stanford Univ. Press, Stanford, CA).

20. Mithun, M. (1990) Annu. Rev. Anthropol. 19, 309-330.

21. Ringe, D. (2000) in America Past, America Present: Genes and Languages in the Americas and Beyond, ed. Renfrew, C. (McDonald Institute for Archaeological Research, Cambridge, U.K.), pp. 139-162.

22. Anderson, S., Bankier, A. T., Barrell, B. G., de Bruijn, M. H., Coulson, A. R., Drouin, J., Eperon, I. C., Nierlich, D. P., Roe, B. A., Sanger, F., et al. (1981) Nature 290, 457-465.

23. Ruhlen, M. (1991) Classification, A Guide to the World's Languages (Stanford Univ. Press, Stanford), Vol. 1, pp. 463.

24. Nei, M. (1987) Molecular Evolutionary Genetics (Columbia Univ. Press, New York).

25. Cavalli-Sforza, L. L. & Piazza, A. (1975) Theor. Popul. Biol. 8, 127-165.

26. Urbanek, M., Goldman, D. & Long, J. C. (1996) Mol. Biol. Evol. 13, 943-953.

27. Long, J. C. & Kittles, R. A. (2003) Hum. Biol. 75, 449-471.

28. Bandelt, H. J., Forster, P. & Rohl, A. (1999) Mol. Biol. Evol. 16, 37-48.

29. Starikovskaya, Y. B., Sukernik, R. I., Schurr, T. G., Kogelnik, A. M. & Wallace, D. C. (1998) Am. J. Hum. Genet. 63, 1473-1491.

30. Gunnerson, J. H. (1979) in Handbook of North American Indians: Southwest, ed. Ortiz, A. (Smithsonian Institution, Washington, D.C.), Vol. 9, pp. 162-169.

31. Opler, M. E. (1983) in Handbook of North American Indians: Southwest, ed. Ortiz, A. (Smithsonian Institution, Washington, D.C.), Vol. 10, pp. 368-392.

32. Malhi, R. S., Eshleman, J. A., Greenberg, J. A., Weiss, D. A., Schultz Shook, B. A., Kaestle, F. A., Lorenz, J. G., Kemp, B. M., Johnson, J. R. & Smith, D. G. (2002) Am. J. Hum. Genet. 70, 905-919.

33. Malhi, R. S., Mortensen, H. M., Eshleman, J. A., Kemp, B. M., Lorenz, J. G., Kaestle, F. A., Johnson, J. R., Gorodezky, C. & Smith, D. G. (2003) Am. J. Phys. Anthropol. 120, 108-124.

34. O'Rourke, D. H., Hayes, M. G. & Carlyle, S. W. (2000) Hum. Biol. 72, 15-34.

35. Stone, A. C. & Stoneking, M. (1993) Am. J. Phys. Anthropol. 92, 463-471.

36. Carlyle, S. W., Parr, R. L., Hayes, M. G. & O'Rourke, D. H. (2000) Am. J. Phys. Anthropol. 113, 85-101.

37. Ringe, D. (1996) Diachronica 13, 135-154.

38. Hill, J. H. & Hill, K. C. (2000) Am. Anthropol. 102, 161-163.

39. Golla, V. (2000) in America Past, America Present: Genes and Languages in the Americas and Beyond, ed. Renfrew, C. (McDonald Institute for Archaeological Research, Cambridge, U.K.), pp. 59-76.

40. Lorenz, J. G. & Smith, D. G. (1996) Am. J. Phys. Anthropol. 101, 307-323.

41. Cavalli-Sforza, L. L. & Feldman, M. W. (2003) Nat. Genet. 33, Suppl., 266-275.

42. Cavalli-Sforza, L. L. & Feldman, M. W. (1981) Cultural Transmission and Evolution: A Quantitative Approach (Princeton Univ. Press, Princeton).

43. Greenberg, J. H., Turner, C. G. & Zegura, S. L. (1986) Curr. Anthropol. 27, 477-497.

44. Rubicz, R., Melvin, K. L. & Crawford, M. H. (2002) Hum. Biol. 74, 743-760.

45. Shields, G. F., Schmiechen, A. M., Frazier, B. L., Redd, A., Voevoda, M. I., Reed, J. K. & Ward, R. H. (1993) Am. J. Hum. Genet. 53, 549-562.

46. Saillard, J., Forster, P., Lynnerup, N., Bandelt, H. J. & Norby, S. (2000) Am. J. Hum. Genet. 67, 718-726.

47. Budowle, B., Allard, M. W., Fisher, C. L., Isenberg, A. R., Monson, K. L., Stewart, J. E., Wilson, M. R. & Miller, K. W. (2002) Int. J. Legal Med. 116, 212-215.

48. Kittles, R. A., Bergen, A. W., Urbanek, M., Virkkunen, M., Linnoila, M., Goldman, D. & Long, J. C. (1999) Am. J. Phys. Anthropol. 108, 381-399.

49. Malhi, R. S., Schultz, B. A. & Smith, D. G. (2001) Hum. Biol. 73, 17-55.

50. Ward, R. H., Frazier, B. L., Dew-Jager, K. & Paabo, S. (1991) in Proc. Natl. Acad. Sci. USA 88, 8720-8724.