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 William Barak Collection (approximately 1962-1989) contains photographs of Barak and colleagues while working E.G. & G. at the Nevada Test Site and in Alaska from the NERVA (Nuclear Rocket) Division and the last two tests in Amchitka (Milrow and Cannikin). The collection also contains numerous government publications, manuals, and maps relating to Barak's work.

This collection contains the original drafts of the thirteen essays that Elizabeth Harrington wrote about her life in early Las Vegas, Nevada. These articles were written from her memory and experiences of life in Las Vegas beginning in the early 1900s, and were published in the Nevadan section of the Las Vegas Review-Journal from 1975-1979.

The Byrd Wall Sawyer Collection primarily consists of Byrd's research files on Nevada from 1930 to 1970. The materials concentrate on her monograph, "Nevada Nomads," as well as her co-authored textbook, "Here is Nevada." The collection also includes speeches, journal articles, memos, research note cards and papers, correspondence, informational booklets and pamphlets, maps, photographs, audiovisual materials, and newspaper articles and clippings.

The Horse Racing Collection (1927-1979) contains brochures, handicapping information, programs, and articles written by Harry McCalla related to horse racing. There are also advertisements and clippings from racing forms. This material covers various venues in the United States.