Beginning of Malaria Epidemic
late June 1839
JSP, J1 / Jessee, Dean C., Mark Ashurst-McGee, and Richard L. Jensen, eds. Journals, Volume 1: 1832–1839. Vol. 1 of the Journals series of The Joseph Smith Papers, edited by Dean C. Jessee, Ronald K. Esplin, and Richard Lyman Bushman. Salt Lake City: Church Historian’s Press, 2008.