The Trent Harris papers (1960s-2020) contain his original screenplays, research, correspondence, and ephemera. There are also screenplays by other writers. Trent Harris is a Utah documentarian and independant film maker, whose projects include the famous Beaver Trilogy, Rubin and Ed, and the cult classic Plan 10 from Outer Space.

The Thomas Kearns scrapbooks (1899-1917) consist mainly of news clippings with random inclusions of correspondence, personal ephemera, and certificates of award.

The William "Bill" Gustave Larson papers (1890-1995) consist of correspondence, certificates, awards, news clippings and other materials. The collection also contains materials regarding Charles G. Larson and writings by others. Larson was a member of the Utah House of Representatives and was instrumental in the organization of the Metro Salt Lake Committee on Aging.

The Frank O. McIntyre papers (1932-1976) contain personal items, as well as memoranda, articles and newspaper clippings relating to McIntyre's professional career as an educator, administrator, public relations executive and public speaker.

The David McKenzie papers (1860-1962) include early programs, playbills, tickets, scripts, librettos, and other materials related to the Salt Lake Theater, as well as some personal papers of David McKenzie (1833-1912), manager of the theater.

The Marjorie G. Paul papers (1957-2002) consist of a record of her travels over the years. Marjorie Paul worked as a nurse for the World Health Organization in Ethiopia, South America, and Vietnam, and in the 1960's worked for the United States Agency for International Development in Vietnam.

The Bruce Roberts papers (1966-2004) contains documents and advertisements relating to Roberts' work as a journalist, co-founder of the Cosmic Aeroplane Bookstore, concert promoter and activist. The collection also includes underground newspapers collected during the 1960s and 1970s.

The Shephard Book Company collection (1884-1938) consists of 15 individual items that includes correspondence, bank checks, mortgage note and ephemera. The diverse pieces, signed by Richard B. Shephard, emphasize the fact that Shephard's patrons were notable writers and high-ranking individuals, including Frederick Dellenbaugh, William James Ghent, Myrtle Reed, Rear Admiral Winfield Scott Schley, and Booker T. Washington.

The William John Silver papers (1874-2001) consist of Silver's biography as well some ephemeral newspaper clippings and advertisement cards. Silver is best known for his influence in Salt Lake City, Utah as the frontrunner for the Silver Brother Iron Works (also known as Salt Lake Iron and Steel Company).