The Marshall L. Wright Collection on the Riviera Hotel (1944-1956) consists of a disassembled scrapbook, a small amount of newspaper clippings, and correspondence from Marshall L. Wright. He served as the general manager of the Riviera Hotel in Las Vegas, Nevada beginning in 1954 and remained in the role through the hotel’s opening on April 20, 1955. By late 1955, he moved to a similar role at the Flamingo Las Vegas. Materials document the opening of the Riviera including black-and-white photographs of the construction of the hotel, press kits, brochures, and other promotional material. The collection includes a small amount of promotional material from the Flamingo.

The Daniel Hinkley papers are comprised of material documenting Hinkley's work on behalf of the gay community in Las Vegas, Nevada between the years of 1991 to 2016. It includes Hinkley's files on the Progressive Leadership Alliance of Nevada, the campaign against Question 2, and various subjects related to the gay community in Las Vegas.

The Association of Women in Science, Las Vegas, Nevada Chapter Records date from 1976 to 1999 and cover DeLyle Eastwood's effort to create a local chapter of the Association of Women in Science (AWIS), the completion of this goal, and the proceedings of the Las Vegas AWIS chapter. The mission of the chapter was to help women in science career fields, both in the industry and university setting, achieve success in their fields. The AWIS also held seminars to spark early interest in science for young girls. The collection contains chapter correspondence, newsletters, and mentoring materials.

The Washington University, School of Fine Arts Collection of Calendars consists of thirty-three calendars created by students in the Washington University, School of Fine Arts created in 1983.

The Frank D. Rathbun Photograph Collection dates from approximately 1915 to 1968 and consists primarily of black-and-white photographic prints and some corresponding negatives taken by Frank D. Rathbun and Michael Moen, who resurveyed the various sites Rathbun visited. The majority of the images depict petroglyphs located throughout the desert southwest in Nevada, California, and Arizona, as well as documentary images of the construction of the Los Angeles Aqueduct and the Hoover Dam transmission lines. Additional material includes postcards from areas Rathbun visited in California, Arizona, and Nevada.

The George Petri Collection (approximately 1977-2010) contains food and beverage management manuals and employee instructional documentation from various resorts in Las Vegas, Nevada including Empress Casino, Harrah's Entertainment, Luxor, and Station Casinos. The materials were collected by George Petri, who was a Maître d'hôtel at the Regency Room restaurant at the Sands Hotel and Casino and also worked at other resorts in Las Vegas. Materials also include artifacts such as silver plated dinnerware from the Regency Room and various menus and memorabilia from the Sands Hotel over the years.