The collection contains the journals of J. Warren Johnson before and after his mission to the Southern States during the years 1895-1899. It also contains the journals while he was serving as a Mutual Improvement Missionary in Wasatch County, Utah. The Journals are organized chronologically. The collection contains material on the Southern States Mission during the years 1895-1899 and of the Mutual Improvement Program along the Wasatch front from 1901-1902.

The collection contains the journals, notebooks, and documents of Hugh Roberts while serving a mission in the Southern States from April 1899 - July 1901. Typescripts of the collection have been made by Brian C. Roberts and are contained in the collection.