The Brigham D. Madsen papers (1854-2000) contain diaries, correspondence, research files, and manuscripts. In addition, there is primary and secondary source material on the Northwestern Shoshone Indians, most particularly the Shoshone and Bannock, whose tribal lands are now limited to the Fort Hall Indian Reservation in Southeastern Idaho.

The H. Leo Marshall papers (1950-1969) consist of a summarized history of the University of Utah College of Medicine, a personalized story of the University of Utah College of Medicine, a typescript of the Tooele Marshall Family, and a speech given by Marshall for the Centennial Convocation in 1950. Marshall was a professor of public health and preventive medicine at the University of Utah.

The Scott M. Matheson papers (1916-2001) contain correspondence, campaign materials, reports, interview transcripts, research materials, news clippings, environmental documents, information concerning the Utah Democratic Policy Commission and other boards and committees, and other documents relating to Scott M. Matheson's career as governor of Utah from 1976 to 1984.

The Madeline R. McQuown papers (1803-1976) contain some of McQuown's research and works. While the collection does contain some of McQuown's more personal works, such as some of her poetry, the collection deals mainly with her research. Her research was focused on Brigham Young and the history of the Church of Jesus Christ of Latter-day Saints (the LDS Church).

The Nancy Melich papers (1920-2009) consist of correspondence, theatre reviews, interviews, article drafts, playbills, and theatre perephernalia from her career as a theatre critic for the Salt Lake Tribune. Melich's career spanned nearly 30 years, and she was influential in Utah's local theatre scene.

The Helen Zeese Papanikolas papers (1954-2001) contain materials concerning the research and writing of this Utah historian and folklorist. Included are correspondence, research files, news clippings, oral history manuscripts, published and unpublished articles.

The LaMar Petersen papers (1829-2005) consist of book reviews, correspondence, publications, and an interview concerning Petersen and his controversial research regarding the Church of Jesus Christ of Latter-day Saints (LDS Church).

The Henry P. Plenk papers (1952-1987) contain correspondence, articles written by Plenk, typescripts, interviews, and other documents pertaining to Plenk's book, Medicine in the Beehive State.

The Ernest L. Poulson papers (1891-1985) include an autobiography; research material (including correspondence, interviews, notes, and news clippings) on the Deseret Live Stock Company; and other short biographies and articles on land management in Utah, Farmers' State Bank (in Bountiful, Utah), and live stock. Audio cassettes contain interviews with Sterling S. McMurrin, Grace Kerr, and Irvin J. Cox.

The W. L. "Bud" Rusho papers (1605-2011) consist of journals, correspondence, articles, book reviews, interviews, manuscripts, poems, newspaper clippings, motion picture scripts, lectures, maps, papers, reports, memos, diaries, documents, minutes, videotape materials, and assorted publications.

The Salamander collection (1829-2000) consist of interview notes, news clippings, publications, investigative information, and other materials used by Linda Sillitoe and Allen Roberts in their book Salamander: The Story of the Mormon Forgery Murders, a book about the 1985 bombing deaths of two Salt Lake City residents.

The Leo Tolstoy and Barbara Samuels papers (1841-2010) consist of materials relating to the biochemisty careers and personal papers of Leo T. Samuels (1899-1978) and Barbara Petri Samuels (1901-2010). Included are correspondence, family history, speech and article reprints, an oral history interview transcript, memorabilia, and news clippings.

The Linda Sillitoe papers (1940-1996) contain handwritten and typed manuscripts of poetry, fiction, and non-fiction, as well as research files consisting of news clippings, correspondence, articles, promotional materials, and other documents. Included are drafts and correspondence for a biography of Lowell L. Bennion by Mary Bradford for which Linda Sillitoe served as editor. Sillitoe is a writer and poet.

The southeastern Utah oral histories (1963-1984) consist of personal recollections, in the form of transcripts and stories, from people who lived in southeastern Utah and were part of its history. Each of the stories centers around the individual perspective of the interviewee. The collection covers a wide range of issues from the early settlements of the Church of Jesus Christ of Latter-day Saints in Mexico to uranium mining or Navajo trading.