The total number of deaths (second column) in Bombay from a plague spread by rats during the period December 1905 to July 1906.  First column is in weeks.

  Data extracted from "A contribution to the mathematical theory of epidemics" by W.O. Kermack and A.G. McKemdrick, Proc. Roy. Soc., Volume 115A, 1927, 700-721.