Contains autobiographical writings and family records pertaining to members of the Orrin Orlando Barrus and Mary Elizabeth Clark family, created between the years 1897 and 1961 in Utah. Information regarding their personal lives and ecclesiastical work are presented. Included are letters, diaries, and photographs of Orrin, Mary, their children, and their grandchildren. Also contains documents pertaining to Fred A. Turley and Edward Stevenson. Materials created 1897 to 1961.

Contains Petersen's personal Gospel Topics files (including two missionary books written by Rose Marie Reid), lecture notes from church and school, family history, correspondence, writings, photographs, and journals. Includes information on the doctrines of the Church of Jesus Christ of Latter-day Saints, as well as Petersen's work at the Church Historical Department. Materials are dated 1935-1999.

Collection contains general conference addresses and other speeches written by Richards and family history documents, church pamphlets, diaries, correspondence, financial documents, legal documents, books, photographs, newspaper clippings and journals, dated 1843 to 1959.

Collection includes diaries, letters, property records, bibles and family records related to Hyrum Smith. Includes diaries of missions taken by Hyrum, the 1834 Hyrum Smith family bible, with family record dating up to 1872, and material used by the School of the Prophets in Kirtland, Ohio. Dated 1831-1872.