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.

The Larven Mason Photograph Collection (approximately 1930 to 1939) consists of photographic negatives with corresponding black-and-white photographic prints, as well as additional black-and-white photographic prints. The images depict the mining equipment, personnel, operations, and housing for the Blue Diamond Corporation mine in Blue Diamond, Nevada.

The Raymond Germain Photograph Collection (approximately 1960-1970) consists of two black-and-white photographic prints of Raymond Germain and one black-and-white photographic print of his wife, Mary Germain. All of the photographs have corresponding negatives.

The Nancy Ellen Webb Williams Papers (1983 to 1996) are related to William's career as a writer. The papers include newspaper clippings, photos, fliers, and correspondence. Also included is one of Williams' books of poetry, "The Soul Side: Big Mama Remembers."

The Raymond Germain Professional Papers (approximately 1960 to 1970) contain material and photographs related to California Post Offices.