The Howard Hughes Public Relations Photograph Collection depicts the activities of businessman Howard Hughes from 1930 to 1950. The photographs primarily depict aircraft flown by Hughes or designed by the Hughes Aircraft Company, including the XF-11 reconnaissance plane, the HK-1 Hercules (or "Spruce Goose"), and the Hughes H-1 Racer. The photographs also depict celebrations following Hughes's circumnavigation flight in New York City, New York and Chicago, Illinois in 1938. Lastly, the photographs include Hughes testifying in front of the Senate Special Committee to Investigate the National Defense Program in 1947.

The Norman Kaye Photograph Collection (approximately 1950-1970) consists of black-and-white photographic prints of Norman Kaye and the Mary Kaye Trio in performance at the Hotel Last Frontier in Las Vegas, Nevada.

The UNLV Libraries Collection of California Hotel and Casino Publicity and Promotional Materials includes Securities and Exchange Commission Form 10-Q, press kits, press releases, promotional materials, and newspaper and magazine clippings for California Hotel and Casino in Las Vegas, Nevada, dating from 1974 to 2002.

The Sidney R. Whitmore Collection (approximately 1885-1970) contains land deeds and other documents about Mount Diablo, Nevada; documents detailing parts of his family history; and eight framed paintings of landscapes and portraits.

The William J. Moore Jr. Photograph Collection (approximately 1942-1960) consists of black-and-white photographic prints, negatives, and one oversize image depicting William "Bill" J. Moore Jr.'s career as a casino operator in Las Vegas, Nevada. Images include events at the Moore family home and the Hotel Last Frontier. Also included are images of Moore with politicians, casino operators, and other notable figures in Las Vegas.

The Clark County Department of Air Quality and Environmental Management Records (1988-2006) contain materials related to Southern Nevada resource management, air quality, and community planning, particularly related to population growth in Clark County, Nevada. Materials include federal regulations and acts, reports, and land sales, as well as local agency reports, memorandums, workshop pamphlets, maps, and plans.

The Betty Ham Dokter Photographs depict the Ham Family from 1850 to 1976. The materials include photographs of the family after they moved to Las Vegas, Nevada in 1916 and document the early growth of the city. The materials also include photographs of the Colorado River, the Hoover (Boulder) Dam site before and after its construction, dinner parties, family photographs, and citizens of the Las Vegas area. The materials also include photographs of Alta Mereness Ham, Betty Ham Dokter's mother, on the set of the film Water.