The Pacifica Hotel Collection (1981-1985) contains newspaper clippings, correspondence, and contracts on the Pacifica Hotel, the first resort geared specifically towards the LGBTQIA+ community in Las Vegas, Nevada. The collection also includes one optical disc with a compilation of Las Vegas television news stories from the summer of 1985 about the Pacifica Hotel project.

The Kendall Stagg Collection (1998-2000) consists of material documenting Kendall Stagg’s political races in northern Nevada and also details gay activism in Reno. The collection consists of Stagg campaign materials, a t-shirt from one of his campaigns, and documents pertaining to the Gay, Lesbian, and Bisexual Student Union at the University of Nevada, Reno and Gay Pride parade organizing in Reno.

The Robert B. Griffith Collection (1928-1975) documents the work of Robert B. Griffith, an instrumental figure in the development of water resources in Las Vegas, Nevada, as well as the creation of McCarran International Airport and Nellis Air Force Base. The collection consists of Colorado River Commission papers, 1928 International Air Race documents, general correspondence, a feasibility study, an airport guide, American Legion papers, the memoirs of Alfred Merritt Smith, and death and burial records belonging to his father. The collection also includes slides from various countries, including the United States, Canada, Europe, Asia, and the Middle East.

The Sandstone Ranch Collection is comprised of bank statements, letters, correspondence, and photographs relating to the Wilson family from 1907 to 1941. The collection includes information about the financial aspect of the Wilson Ranch, later renamed the Sandstone Ranch, located outside of Las Vegas, Nevada. The collection also includes information about the personal lives of those working on the including contracts about grazing cattle, selling cattle, and appropriation of water.

The William Barak Collection (approximately 1962-1989) contains photographs of Barak and colleagues while working E.G. & G. at the Nevada Test Site and in Alaska from the NERVA (Nuclear Rocket) Division and the last two tests in Amchitka (Milrow and Cannikin). The collection also contains numerous government publications, manuals, and maps relating to Barak's work.

The Daly v Daly Collection documents materials produced for and as a result of the lawsuits between Suzanne Daly (formerly Tim Daly), a male-to-female transgender woman, and Nancy Toews Daly from 1980 to 2003. The collection primarily focuses on the motions filed with the Nevada District Courts and Nevada Supreme Court and transcripts of the divorce, the battle for parental rights, and an allegation of civil rights violations.

The Horse Racing Collection (1927-1979) contains brochures, handicapping information, programs, and articles written by Harry McCalla related to horse racing. There are also advertisements and clippings from racing forms. This material covers various venues in the United States.