Garth Nelson Jones (b. 1925) is Professor Emeritus of Public Policy and Administration at the University of Alaska at Anchorage. The Garth N. Jones papers (1986-2006) contain articles, papers, and related correspondence.

The Leslie A. Jones papers (1963-1995) contain interviews, a chronology, river running accounts, and a river runner journal. Leslie A. Jones is a civil engineer in Salt Lake City, Utah who has been active as a river runner for many years. He has also made several contributions to canoe and kayak design.

The Robert M. Jones papers (1984-1992) include examples of fine printing, such as booklets, cards, brochures and posters, designed and printed by Jones at the Glad Hand Press. Also included is a photocopy of an article by Jones on visiting Barrier Canyon in southeastern Utah in 1940.

The Victor W. Jorgensen papers (circa 1870-1970s) consist of photocpies of Jorgensen's research files concerning LDS polygamy.

The Richard A. Keller, III papers (1957-2011) consist of articles, brochures, and news clippings regarding Keller's development of rocket-powered cars. The collection contains materials regarding speed racing and various vehicles developed by Keller such as The Blue Flame, X-1, Pollution Packer, and others. Keller helped to form the company Reaction Dynamics.

The Kenilworth (Utah) architectural drawings and histories consist of an article by Wayne L. Balle titled, "I Owe My Soul: An Architectural and Social History of Kenilworth, Utah 1904-1985." The article contains drawings by E. B. Phippen of the Kenilworth Mercantile Company building constructed for the Independent Coal and Coke Company. Also included in the collection is an article written by Ron Jewkes titled, "100 Years of Kenilworth, Utah, 1906-2006."

The Scott G. Kenney collection (1820-1984) reflects the research interests of Scott G. Kenney during the 1970s and early 1980s for a projected biography of Joseph F. Smith (1838-1901). The collection consists of typescripts made by Kenney, as well as photocopies of diaries and letters. Scott G. Kenney (b. 1946) is a historical researcher, a writer, and a musician.

The Jack Warren Keuffel papers (1921-1974) consists of correspondence, collegiate research and course work, abstracts, published papers, and project-related papers. Keuffel was a professor of physics at the University of Utah (1959-1974) and a principal researcher for a cosmic ray research team sponsored by the University of Utah Department of Physics.

The Ray Kingston papers (1802-2017) contain correspondence, articles, artwork, and architecture materials relating to Kingston's career as an architect and member of the National Endowment of the Arts.

The Leonard H. Kirkpatrick papers (1852-1950) contain Kirkpatrick's writings on Utah's past and libraries throughout the state of Utah. Leonard H. Kirkpatrick was hired on as the head librarian of the Thomas Library at the University of Utah in 1941 and was an avid promoter of the University of Utah Library. He assisted in making the library an important research institution.

The David C. Knowlton papers (1993) consist of materials on Knowlton's appeal for tenure at Brigham Young University. Included are essays, reports, correspondence, news articles, and other materials.

The Alfred Lambourne papers (1912-1926) contain correspondence and published works. Alfred Lambourne was an accomplished landscape painter and writer, and a personal friend of Brigham Young.

The Robert Gordon Larsen papers (1930-1972) contain correspondence, journal articles, notebooks, research proposals, and a scrapbook relating to the career of this Utah chemist. Larsen was an engineer and chemist principally with the Shell Development Company, a division of Shell Oil Company.

The Dale Campbell Le Cheminant papers (circa 1980s) consist of class handouts and outlines dealing with LDS doctrine resulting from his teaching activities at the University of Utah's LDS Church Institute of Religion.

The Lawrence Howard Lee papers (1943-2002) detail his personal and professional life. The collection consists of correspondence, articles, financial materials, and professional materials regarding Western Airlines. Lee began his airline career in 1943 and worked in many different field and administrative positions within Western Airlines and established Salt Lake City as Western's first major "hub" operation. He became President and Chief Executive Officer of Western Airline in 1983.

The Edward G. Lueders papers (1923-2010) contains materials resulting from his work as a poet, teacher, author, and editor. Lueders (1923) spent most of his career as a professor of English.