The Dorothy Dorothy papers (approximately 1913-1986) document the life of singer, songwriter, columnist, pilot, and farmer, Dorothy Dorothy. Materials contain genealogy records, correspondence, business and organizational records, local history, sheet music, artifacts, and two boxes of photographic prints. Also included are materials relating to her active involvement with animal rights campaigns.

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 Bob Stupak Professional Papers (approximately 1900 to 2007) primarily documents the career of Las Vegas, Nevada casino owner, Bob Stupak. The materials in the collection include the planning of two resorts in Las Vegas, Nevada created by Bob Stupak: Vegas World and the Stratosphere. The collection also includes planning materials for the Titanic Las Vegas, an unbuilt resort envisioned by Stupak. Planning and promotional materials for Stupak's resorts including photographs, memorabilia, audiovisual materials, advertising mockups, and architectural drawings. The collection includes several scrapbooks and photographs of Stupak and his wife Sandy at events around Las Vegas. The materials also document Stupak's political campaigns running for mayor of Las Vegas in 1983 and 1987 and lieutenant governor of Nevada in 2006.

This collection is unprocessed; see the access note for additional information. The Robert Scott Hooper Photographs (approximately 1960-2019) consist of photographic negatives, positives, prints, Polaroids, 16mm films, videos, business records, correspondence, drawings, and ephemera. The collection was created by prolific photographer Robert Scott Hooper and his longtime business partner and wife, Theresa Holmes. The couple's life and business was based in Las Vegas, Nevada. Hooper's work focused on the female form, encompassing many areas of interest including sexual entertainment, modeling, pornography, and Las Vegas entertainment. Hooper was a contributing photographer with Playboy and Vegas Visitor magazines. Hooper also photographed many celebrities, Las Vegas production shows, notable events like hotel implosions, and the development of the Las Vegas Strip, including early time-lapse work on the Luxor Hotel and Casino and The Venetian. This collection also includes business records, model contracts, and correspondence.