Pierpoint, Mary.  "Bioterrorism new to Native Americans?"  Indian Country Today.  4 November 2001.  17 October 2002.  <http://www.indiancountry.com/?2781>

 

"Smallpox"  MSN Learning & Research-Smallpox.  23 September 2002.  <http://ecarta.msn.com/encnet/refpages/refarticle.aspx?refid=761578931>