«Smallpox Epidemic Strikes at the Cape», South African History Online, 2014: .
286
«Smallpox Blankets», Cherokee Heritage Documentation Center, n. d.: .
287
M. Becker, «Smallpox in Washington’s Army: Strategic Implications of the Disease During the American Revolutionary War», Journal of Military History 68, no. 2 (апрель 2004 года): 381–430.
