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.

The UNLV Libraries Collection of Hollywood Casino Corporation Promotional Materials and Reports includes annual reports, prospectus, 10-K forms, 10-Q forms, equity reports, financial research, press releases, press kits, a stockholder meeting notice, and promotional materials for Hollywood Casino Corporation in Dallas, Texas, dating from 1992 to 2001.

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 Jeanne Russell Janish Photograph Collection (1918-1974) consists of 48 black-and-white and color photographic prints that feature Janish's family, her husband Carl Janish, family homes and pets, and travel photographs from the United States, China, and South America.

The Joseph LaMar Foremaster Photograph Collection includes black-and-white photographic prints and negatives of structures at the Old Ranch (Stewart Ranch) in Las Vegas, Nevada from approximately 1920 to 1939 when the Foremaster family lived and worked on the land.

The Tony Wuehle Collection documents the activities of freelance writer, college president, and poker expert Edwin "Tony" Wuehle of Michigan and Las Vegas, Nevada, between the years of 1950 to 2007. The collection consists of copies of Wuehle's regular columns, newsletters, and special articles as they were published in various journals and newspapers, especially those related to poker, the International Home and Private Poker Player's Association (IH3PA), education administration, and religious concerns.