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.

The Karl Carsony Papers (1918-2011) are comprised of photographs, newspaper clippings, ephemera, and artifacts representing Karl (Schrom) Carsony's acrobatic career and personal life. The bulk of the materials in this collection date from approximately the early 1950s through the late 1970s. The materials also include vacation photographs of Karl (Schrom) Carsony and his wife, Margot Meyers. The materials also include promotional photographs, posters, and fliers for the Carsony Brothers, which was an acrobatic show consisting of Karl Carsony and his twin brothers, Joe and Bert Schrom.

"The Art of Las Vegas Hard Core" Collection of Punk Rock Fliers and Photographs (1980-2013) includes fliers and photographs that document the Las Vegas, Nevada punk rock scene in the 1980s. The collection contains photocopied fliers from bands such as The Ramones, The Germs, Misfits, Meat Puppets, Wasted Youth, Black Flag, FSP, TSOL, Circle Jerks, Shattered Faith, Agent Orange, Self Abuse, Bad Attitude, and many others. The collection also contains digital images and scans of fliers of a slideshow of punk bands that played in Las Vegas in 1984.

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 Leon Rockwell Papers (1829-1986), consist of materials that document Leon Rockwell's life in Las Vegas, Nevada from 1906 until his death in 1968. Included are diaries, correspondence, photographs, postcards, Las Vegas community event programs, ledger sheets, business cards, and scrapbooks. There are a number of books, information on organizations and businesses that Rockwell owned, real estate documents, and early records of the Las Vegas Volunteer Fire Department, of which Rockwell was an original member.

The Jon E. Cobain Papers (1963-2009) contains material representing Cobain's experience as the first official graduate of Nevada Southern University (later University of Nevada, Las Vegas) in 1964. Materials include photographs of Cobain and his family, a scrapbook from his 1964 graduation day, newsletters, a copy of Beau's Bits Handbook, personal correspondence, and his diploma. This collection is comprised exclusively of digital surrogates.

The Aaron Williams Photograph Collection (approximately 1968 to 1983) consists of three black-and-white photographic prints. Two of the images are of the groundbreaking ceremony of the Senior Citizens’ Center with Las Vegas, Nevada Mayor Oran Gragson, and the third of three unidentified individuals.