Dialogue Foundation photograph collection contains published and submitted drawings, paintings and photographs. The material has been separated by subject matter, i.e. LDS (Church of Jesus Christ of Latter-day Saints) musicians and artists, LDS historical figures, LDS women, art, LDS temples and downtown Salt Lake City, The Book of Abraham, and miscellaneous photographs and material.

The Mark D. Thomas papers (1937-2006) contain his works as a contributor and chairman to the Sunstone Symposium and the Dialogue journal along with unaffiliated LDS research groups. It also contains papers from Thomas' time as a LDS Youth Seminary teacher, and his correspondence with the Church Education System.