Smallpox
Cook, Noble David. "Sickness, starvation, and death in early Hispaniola." The Journal of Interdisciplinary History v 32 no3 Winter 2002: 349-66. OCLC FirstSearch: Full Text. William Allen White Library, Emporia State University. 18 November 2002.
Leon-Portilla, Miguel. The Broken Spears. Boston: Beacon, 1992.
Meltzer, David J. "How Columbus sickened the new world." New Scientist 10 October 1992: 38(4). Expanded Academic ASAP. William Allen White Library, Emporia State University. 17 October 2002.
Roberts, Leslie. "Disease and death in the New World." Science. 8 December 1989: 1245(3). Expanded Academic ASAP. William Allen White Library, Emporia State University. 17 October 2002.
Syphilis