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.

Oral history interviews with Richard W. Bunker conducted by Stefani Evans and Claytee D. White on July 18 2017, July 21, 2017, and September 28, 2017 for the Building Las Vegas Oral History Project. In this interview, Bunker discusses the history behind a wide range of events that affected the daily lives of Southern Nevadans. He talks about his role in a consolidation attempt between the Clark County and Las Vegas, Nevada governmental structures that was halted by the courts in 1975. Bunker then recalls working as a member and Chair of the Nevada Gaming Control Board and his work with various casinos and hotels including Circus Circus, the Dunes, and the Aladdin. He discusses replacing key people at the Gaming Control Board, and the Federal Bureau of Investigation’s (FBI) Operation Yobo sting. He then speaks fondly of his longtime friends Jim Gibson, Judge Lloyd George, and Jim Joyce. Lastly, Bunker discusses water rights, supply, and management issues in Nevada as it relates to the Nevada Resort Association, Las Vegas Valley Water District, Southern Nevada Water Authority, and the Colorado River Commission.

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 Jacob E. Von Tobel Photograph Collection contains black-and-white photographs of the pioneer Von Tobel family from 1900 to 1980. The collection includes photographs of the Von Tobel family, early Las Vegas, Nevada buildings and landmarks, and aerial photographs of Las Vegas and surrounding areas.

The James Cashman Sr. Photograph Collection (approximately 1905 to 1975) consists of black-and-white photographic prints, negatives, slides, and albums as well as a glass plate negative. The photographs depict four major subjects: Cashman's family, friends, and associates; Cashman's businesses; the Hoover Dam and Colorado River; and various locations across Nevada.