The Rodney Sumpter Papers on Doe v. Bryan contain the legal files of the lawyer Rodney Sumpter, who represented the appellants in the Nevada District Court case Doe v. Bryan (1985) and subsequent appeal in the Nevada State Supreme Court in 1986. Doe v. Bryan challenged one of Nevada's sodomy laws (NRS 201.190), and the collection contains affidavits, motion requests, correspondence, newspaper clippings, and memoranda regarding the case.

The Ted Lenhart LGBTQ Community Collection (1990-2001) is comprised of correspondence, newspaper clippings, and organizational material detailing LGBTQ community issues in Nevada throughout the 1990s. The collection includes materials from organizations including: Aid for AIDS of Nevada, the Clark County Coalition of HIV/AIDS Service Providers, the Nevada chapter of the AIDS Coalition to Unleash Power (ACT-UP), efforts to organize an HIV-Negative Men’s support group in Nevada, and Nevada Outdoors, an LGBTQ hiking club.

The collection, 1949 to 2006, was compiled by Clifford Olsen, a containment physicist at the Nevada Test Site (NTS). It consists of research notes and working papers written by Olsen and other scientists, publications, epoxy aggregate samples, work-related correspondence, nuclear-test-event data, and interviews conducted by Olsen with work colleagues involved with the NTS.

The Desert Fishes Council Records (1969-1988) consist of resolutions, meeting minutes, symposium programs, agendas, and press releases of the Desert Fishes Council (DFC). The organization is devoted to the study and preservation of Southwestern desert fishes, notably the desert pupfish. The DFC records reflect efforts to bring the plight of desert fishes to the attention of academics and the public as well as highlight the worth of desert lands within the American environmental movement.

The Leslie H. Smith Papers (approximately 1920-2018) contains the personal papers of Leslie H. Smith, who grew up in Las Vegas, Nevada, and mainly documents his involvement with the Las Vegas High School Alumni Association organizing and attending the school's annual reunions. The collection includes personal papers, scrapbooks, and photographs documenting Smith's family, including his father Dr. J. D. Smith, his mother Ruth Weir Smith, and his sister Jeanne Smith Stewart. Reproductions of class photographs from the Las Vegas Grammar School (now known as the Historic Fifth Street School) where Smith attended elementary school are also included this collection.