By Marissa and Charlotte
The Smallpox Disease
Info
History
Bibliography
Bibliography
Barnard, Bryn.
Outbreak, Plagues the Changed History.
New York: Alfred A. Knopf, 2005.
World Book S-Sn,
2014. Volume 17, "Smallpox", pp. 513.
http://www.webmd.com. Smallpox Information, 2005.