The Stella Champo Iaconis Collection of Helldorado Photographs (approximately 1934-1940) contains four black-and-white photographic prints of the Helldorado Days celebration held in Las Vegas, Nevada. Images depict people celebrating at the Apache Bar in downtown Las Vegas.

The Albert S. Henderson Photograph Collection (1860s-1959) primarily contains black-and-white photographic prints of Albert S. Henderson and his family. Also included in the collection are photographic prints of Henderson during his tenure as a Nevada legislator and district judge. Other materials include postcards, negatives, and a tintype.

Collection is comprised of materials dating from approximately 1971 to 1996 about the Las Vegas Clark County Library District. Collection materials also include Charles Hunsberger's subject files from when he was library director of LVCCLD. The collection includes annual financial reports, clippings about the library district, photographs, master plan documents for Nevada libraries, and staff newsletters. In addition, the collection also includes materials documenting Hunsberger's efforts to secure a $22.2 million library bond in 1985.

The Si Zentner Collection of Music Scores consists of copyright agreements and original music scores from the career of musician Si Zentner. The manuscripts span from 1957 through 1996.

The Southern Nevada Telephone Company Collection documents the history of the company from 1957 to 1966. The collection includes photographs and internal publications that illustrate the company's growth and role in Las Vegas' history. It also contains a photocopy of A History of the Southern Nevada Telephone Company, 1907-1961.

The Betty Henderson Professional Papers (1963-1985) are comprised of materials produced by Betty Henderson in her capacity as a private music teacher in Las Vegas, Nevada and as a member of the Nevada Music Teachers Association (NMTA). The collection includes scrapbooks of concert programs and NMTA events, materials from Henderson's experiences in Europe as a People-to-People ambassador with the Music Teachers National Association, and recordings on reel-to-reel tapes of concerts Henderson performed in or judged.

The Apolonio Sauceda Scrapbooks (1973-2010) document Apolonio "Loney" Sauceda's acting career and his work with the Nevada Association for Latin Americans (NALA) in Las Vegas, Nevada. Two scrapbooks document Sauceda's career as an actor and contain photographs of Sauceda on set, at premieres, with other actors, and depict movie sets at well-known Las Vegas hotels and casinos in the 1980s and 1990s. Newspaper clippings accompany many of the photographs and provide details about locations, major actors, or the producers for each film. The third scrapbook is compiled of newspaper clippings that document the local Las Vegas, Nevada Latinx community and NALA events in the 1970s, ranging from political activism, labor strikes, beauty pageants, and religious gatherings.