Contains Gilbert Fulton's personal notes and extensive research over doctrinal and church history topics for the Church of Jesus Christ of Latter-day Saints. Various topics include polygamy, Joseph Smith, and John C. Bennett controversies. His collections of text from other sources is a large portion of the collection, including photocopies from newspapers, magazines, members' accounts, and prophets of the Church. Materials dated 1942 to 1986.

Contains miscellaneous notes, correspondence, newspaper articles, several drafts of the book, footnotes, bibliographic notes, and photographs. Many of the items were gathered from the Hancock County courthouse. Materials were compiled between approximately 1970 and 1975 for the production of the book Carthage Conspiracy.

Collection contains correspondence, diaries, and research materials of M. Wilford Poulson. Also included are many research documents pertaining to the LDS Church which include diaries, letters and newspaper clippings.