The Wengert Family Papers (approximately 1900-2000) consist of scrapbooks, newspaper clippings, correspondence, postcards, photographs, and other documents from members of the Wengert family. The Wengert family were members of the Las Vegas, Nevada community since 1907. The collection contains items detailing Lottie Ward Wengert’s life in Iowa before she moved to Las Vegas, Nevada, such as high school and college documents and diplomas, as well as programs and invitations for events in Iowa, Las Vegas, and other cities. The materials regarding Cyril S. Wengert are mostly newspaper clippings about his accomplishments and articles and cards expressing sympathy after his death. Other items include documents from the U-Wah-Un Study Club, of which Shirley Wengert was a member.

The Valerie Wiener Papers (approximately 1920-2023) document the life and career of former Nevada state senator, Valerie Wiener. Materials document her political career serving in the Nevada State Senate and working as the press secretary for Harry Reid congressional offices. The collection also includes materials that represent Wiener's work as a communications specialist through her consulting businesses and her nonprofit work. Other materials in this collection document Wiener's personal life including her childhood and family, educational experiences, and her spiritual practice.

The MGM Mirage Corporation Records date from 1970 to 2010 and consist of the records of the Las Vegas, Nevada based global entertainment company. The collection contains organizational records, employee newsletters, files about the MGM Mirage diversity and inclusion initiative, correspondence, reports on gambling addiction, gambling statistics, press clippings, and audiovisual materials. There are also photographs, photographic slides, and photographic negatives of performers, corporate executives, and MGM Mirage properties.

The Junior League of Las Vegas Records (1940-2023) contain annual reports, fundraising information, training manuals, articles, minutes, photographs, scrapbooks, cookbooks, and other operational and working files that document the activities of the Junior League of Las Vegas (JLLV). Also included is documentation for advocacy projects the JLLV was involved with, such as Drug Abuse Resistance Education (D.A.R.E.), Safe Haven, the Ronald McDonald House, Read Aloud, and Literature Awareness Program for Children. Other records in this collection document JLLV's fundraising efforts such as the Repeat Boutique, Holiday Coffees, annual benefits, luncheons, and sales of their cookbooks. Also included are scrapbooks and issues of their newsletter The Sage.

The Mesquite Club Records (1911-2016) contain the organizational files of the Mesquite Club, the oldest women's service club in Las Vegas, Nevada. Materials include meeting agendas and minutes, correspondence, committee reports, newsletters, scrapbooks, and photographic prints and negatives. The records document the club's administrative structure, community service projects, social events, and relationship with the General Federation of Women's Clubs (GFWC).

The Lamar and Patricia Marchese papers (1959-2015) contain awards, correspondence (both professional and personal), a Clark County Services and Facilities Directory, newspaper and magazine clippings, pamphlets, Parks and Recreation information, KNPR events and newsletters, art exhibits brochures, and musical performances brochures. The collection chronicles the contributions of the long-time Las Vegas community leaders through photographs, speeches, an interview done with Lamar Marchese, professional papers, audiovisual materials, Las Vegas Centennial Board (LVCB) end of year report, and a LVCB book.

The William Geagley Collection on Nuclear Safety contains government publications, memoranda, and pamphlets about counteracting nuclear contamination of food supplies from 1951 to 1960. The materials primarily document Geagley’s oversight of the development of food safety contingency plans for the Michigan Department of Agriculture. The materials also contain information relating to the Nevada Test Site’s plans for Operation Plumbbob, atmospheric and underground nuclear tests held in 1957 in Nevada.