This collection contains thirty-nine letters written to and by John M. Cannon, a Salt Lake City attorney. There are business letters and personal correspondence. The business letters deal mainly with business: mining, ranching, buying and selling of farm land, closing of bank accounts, etc. The contents of the collection span the years between 1893 and 1914 and are arranged chronologically.

Three handwritten items. One item contains a list of Home Missionaries for the Mormon Church who were being set apart and blessed by the Mormon leaders Lorenzo Snow (1814-1901), Joseph Edward Taylor (1830- ), Angus Munn Cannon (1834- ), and Charles Coulson Rich (1809-1883) on October 8th, 1877 in Salt Lake City, Utah. The other two documents are written accounts of Home Missionary meetings.