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.

The Charles P. and Delphine Squires Papers from 1882 to 1964, with bulk dates from 1905 to 1964, contain book and short story manuscripts, articles, press releases, newspaper clippings, and radio scripts written by Squires and his wife, all relating to their early life in Las Vegas. Also included are report cards, certificates, Parent Teacher Association material, Mesquite Club records and church activity materials.

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 Katherine A. Spilde Papers on Native American Gaming include materials collected by anthropologist Katherine Spilde about Native American gaming and the greater gaming industry. The materials date from 1789 to 2015, with the bulk of materials dating from 1995 to 2010. Materials dating from the eighteenth and nineteenth centuries are reproductions of key court opinions and treaties concerning Native American rights and sovereignty. The majority of the materials document Native American gaming following the passage of the 1988 Indian Gaming Regulatory Act (IGRA). The papers detail Native American gaming enterprises both on and off reservations, the socioeconomic impact of gaming, and the legislative history of Native American gaming in the United States. The papers include research and subject files created by Dr. Spilde during her employment with the National Gambling Impact Study Commission (NGISC), the National Indian Gaming Association (NIGA), and the Harvard Project on American Indian Economic Development (HPAIED). The collection includes socioeconomic reports; testimonies; correspondence; memos; press releases; photographs; audiovisual materials; promotional materials from casinos and tourist attractions; brochures; fact sheets; summaries; booklets; pamphlets; advertisements; tourism materials; journal articles; legal briefs; legislative documents; court opinions; Dr. Spilde’s notes; presentations; packets, agenda, schedules, and itineraries from conferences; periodicals; Native American and community newspapers; and newspaper articles. The collection includes materials about over one hundred federally recognized Native American nations. Also included are materials that document the socioeconomic impact of gaming, the international gaming industry, criminal activities related to gaming, advertising about gaming and casinos, lotteries, internet gaming, compulsive gambling, and bankruptcy as a result of gambling.