The Albert S. Henderson Photograph Collection (1860s-1959) primarily contains black-and-white photographic prints of Albert S. Henderson and his family. Also included in the collection are photographic prints of Henderson during his tenure as a Nevada legislator and district judge. Other materials include postcards, negatives, and a tintype.

The Betty Henderson Professional Papers (1963-1985) are comprised of materials produced by Betty Henderson in her capacity as a private music teacher in Las Vegas, Nevada and as a member of the Nevada Music Teachers Association (NMTA). The collection includes scrapbooks of concert programs and NMTA events, materials from Henderson's experiences in Europe as a People-to-People ambassador with the Music Teachers National Association, and recordings on reel-to-reel tapes of concerts Henderson performed in or judged.

The Stonewall Park Collection (1983-1987) documents the Stonewall Park project, an unrealized gay community in Nevada. Material includes news clippings and ephemera, as well as financial records and ancillary documents detailing bankruptcies and litigation associated with the Stonewall Park project. Much of this material is photocopied from MS 1990-15 (Fred Schoonmaker Papers), held at the Museum of GLBT History in San Francisco, CA.

The Joe Williams Music Scores date from 1940 to 1991 and comprise the handwritten musical scores of American jazz musician Joe Williams, born Joseph Goreed. Many of the musical scores are Williams' original arrangements.

The River Mountains Trail Partnership Records date from 1995 to 2015 and document the planning and construction of the River Mountains Loop Trail in Clark County, Nevada. The collection contains meeting agendas and minutes, correspondence, project notes, trail maps, land surveys, grant applications, photographic slides of the trail and Lake Mead, environmental assessments, ephemera from National Trails Day, trail guides, interpretive plans, and development reports.