The John C. Olsen Photograph Collection, approximately 1950 to 1969, consists of black-and-white photographic prints and negatives. Images depict scenes from the annual Helldorado Celebration in Las Vegas, Nevada, the Shriners’ Parade in downtown Las Vegas, various hotels along the Las Vegas Strip, the Last Frontier Village at the Last Frontier Hotel, Las Vegas, natural landscapes at Mount Charleston and Rhyolite, Nevada, Hoover Dam and Lake Mead, Twin Lakes, and petroglyphs in Valley of Fire Nevada State Park.

The Dolores Brownhofer Neonis Photograph Collection (approximately 1940-1970) contains photographic prints, negatives, and a slide depicting the Brownhofer family at restaurants, bars, and casinos in Las Vegas, Nevada.

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.