The Mint Hotel Photograph Collection consists of photographic prints and postcards from approximately 1960 to 1980. The collection includes photographs of the Mint’s “Behind the Scenes” tour during which guests experienced casino operations, and photographs and postcards of the hotel itself.

The Greg Clemens Photograph Collection contains ten black-and-white contact sheets depicting aerial views of Las Vegas, Nevada in 1965. The contact sheets contain approximately eighty-two images showing views of McCarran International Airport, the Las Vegas Convention Center, downtown Las Vegas, and residential neighborhoods.

The Howard Hughes Professional and Aeronautical Photographs contain black-and-white photographs of businessman and entrepreneur Howard Hughes and his companies from 1916 to 1997. The photographs primarily depict Hughes alongside his aircraft, including the XF-11 prototype reconnaissance plane and the HK-1 Hercules, better known as the "Spruce Goose" or "Flying Boat." The photographs also cover the companies owned by Hughes, including Hughes Tool Company, Hughes Aircraft Company, Hughes Electronics Corporation, and RKO Pictures.

The Paul May Photograph Collection (1969) consists of black-and-white and color photographic prints. The images primarily depict Nevada Assemblyman Paul May alongside Nevadan senators and congressmen, including Senator Paul Laxalt. Other images are portraits of May.

The Earl Rockwell Papers (1852-1978) consists of newspaper clippings, diaries, books, correspondence, and ephemera related to Las Vegas, Nevada pioneer Earl Rockwell. The collection documents Rockwell’s life in Las Vegas and Elmira, New York and also contains seven nineteenth-century diaries that belonged to Rockwell’s grandmother, Amanda Brees.

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 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.