The UNLV Libraries Collection on the Las Vegas Paiute Tribe (approximately 1974-1990) contain oral history transcripts of Paiute community members from approximately 1974 to 1977 and reproductions of Bureau of Indian Affairs correspondence, legal documents, annual reports, and census information regarding the area formerly known as the Las Vegas Indian Colony located in Las Vegas, Nevada. The documents contain information about the original transfer of property ownership from Helen J. Stewart to the United States, who acted on behalf of the Paiute people in 1911, the establishment of the original site location, and annual reports which include a narrative about the community, census information, and health reports of the population living in the area. The collection contains no original documents.

The UNLV Libraries Collection of Tropicana Resorts Publicity and Press Materials includes equity research reports, press kits, press releases, promotional materials, and newspaper and magazine clippings for Tropicana Las Vegas in Las Vegas, Nevada, and Tropicana Atlantic City in Atlantic City, New Jersey, dating from 1958 to 2010.

The Harmon Family Photograph Collection contains black-and-white and color photographic prints, negatives, postcards, and slides of the Harmon family in Las Vegas and Boulder City, Nevada between approximately 1900 and 1983. Las Vegas photographs depict the Harmon family in their home, at a ranch, and at Las Vegas High School. Boulder City photographs include a wedding and a view of Black Canyon, Nevada. Lastly, the collection also includes photographs of the Harmon family with various people, including the Wengert family and Howard Cannon, at receptions, ceremonies, and posing in front of Las Vegas buildings.

The Del Webb Corporation Photograph Collection (approximately 1957 to 1988) consists of black-and-white photographic prints, black-and-white oversize reprints, negatives, and color slides focusing on the Mint Hotel and Casino in downtown Las Vegas, Nevada. Images depict the construction of a twenty-six story high-rise addition to the property, its grand opening and anniversary celebrations, the Mint 400 Off-Road race festivities, interior shots of the casino floor, restaurants and lounges, and a salon. Also included are exterior images of properties on Fremont Street considered to be competitors of the Mint, advertisements and billboards, and photographs of Del E. Webb and associates.

The collection is comprised of records of the San Pedro, Los Angeles & Salt Lake Railroad Company (1901-1976). The construction of this railroad led to the founding of Las Vegas, Nevada and the creation of the Empire Construction Company and Las Vegas Land and Water Company. The records document the company's operations and include correspondence and contracts relating to lots in the Las Vegas townsite, payments and accounts, invoices and other audit materials from 1905 to 1923. The collection also includes the records of the railroad agent at Arden Station, located ten miles south of the Las Vegas Station, which contain correspondence, ledgers, freight and way bills, shipping orders, and telegrams.

The Maurine and Fred Wilson Papers (1888-1991) contain family papers and the historical research of Fred Wilson. It includes correspondence between Maurine and Fred Wilson, as well as Maurine Wilson’s diaries, calendars, and materials related to her career as a music teacher. The collection also contains Fred Wilson’s research files about the history of Southern Nevada as well as the First Methodist Church in Las Vegas, Nevada.

The Samuel Liddle General Store Records (1885-1887) are comprised of order forms, inventories, and customer ledgers for Liddle's General Store in Leadville, Nevada. The store was created to provide services to residents and prospectors during a mining boom in White Pine County that lasted from 1887 to approximately 1890. The materials also consist of Liddle's General Store accounts, business correspondence, and transactions, such as wholesale purchases of general merchandise and mining supplies from vendors in Eureka, Nevada, San Francisco, California, and smaller nearby locations. An undated hand-drawn map of the townsite is also included.