The Syphus-Bunker Papers date from 1891 to 1994, with the majority of the collection consisting of correspondence between Mary Etta Syphus and John Mathieson Bunker from 1891 to 1895. The collection also contains correspondence from friends and relatives, and documentation related to Mary Etta Syphus' attendance at Brigham Young Academy Church Normal Training School. Other materials include family history information and two color photographs of family homes. The collection also includes typed transcripts of the correspondence.

The Hotel Last Frontier Photograph Collection contains photographic prints, negatives, and slides depicting scenes inside and outside the Hotel Last Frontier in Las Vegas, Nevada between approximately 1940 and 1969. The collection also includes photographs under its alternate names: the Last Frontier and the New Frontier Hotel and Casino.

The Nevada Test Site Oral History Project Records (approximately 1950-2008) consist of oral histories collected by University of Nevada, Las Vegas Department of History for the Nevada Test Site Oral History Project. The collection includes digital audio recordings of interviews, print and digital transcripts, and a small selection of digital video recordings. Some interviews have also been supplemented with photographs, letters, scientific articles, brochures, news clippings and ephemera about the Nevada Test Site.

The Margo Mansergh Papers (approximately 1920-2010) document the life of former showgirl and dancer Margaret "Margo" Mansergh Tomaszewski. Materials include photographs of Margo modeling, backstage at various shows, portraits, and personal family photographs as well as programs from her international career performing in the Lido de Paris and Pigalle Nightclub in London, as well as a number of shows in Las Vegas, Nevada, such as Vive Les Girls, Casino de Paris, Minsky's Burlesque, and Lido de Paris at the Stardust. The collection contains materials from Mansergh's modeling career, including photographs, book covers, and images of her as an extra in films. Digital images from the closing Stardust performance and an event for Miss Bluebell are also found in the collection.