Reference
- Rosenberg, Charles E. The cholera years: The United States in 1832, 1849, and 1866. University of Chicago Press, 2009, and Sheila M. Rothman. The cholera years: The United States in 1832, 1849, and 1866. N. Y. : Basic Books, 2009; The cholera years: The United States in 1832, 1849, and 1866. University of Chicago Press, 2009.