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 Stonewall Park Collection (1983-1987) documents the Stonewall Park project, an unrealized gay community in Nevada. Material includes news clippings and ephemera, as well as financial records and ancillary documents detailing bankruptcies and litigation associated with the Stonewall Park project. Much of this material is photocopied from MS 1990-15 (Fred Schoonmaker Papers), held at the Museum of GLBT History in San Francisco, CA.

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 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.

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.

The Cherina Kleven Papers (approximately 1988-2014) document the career of Cherina Kleven who was the first Asian-American appointed as Assistant Fire Chief for Las Vegas Fire & Rescue. The materials primarily include physical and digitized photographs of Kleven in her capacity as Assistant Fire Chief, magazine and newspaper articles featuring Kleven, and event programs. Also included are campaign fliers from 2010 when Kleven ran for office to represent Assembly District 15 in the Nevada Legislature as well as two commemorative books celebrating the history of Las Vegas Fire & Rescue.

The Las Vegas Art League Photograph Collection contains two photographic prints from between approximately 1960 and 1969. These photographs depict the director of the Las Vegas Art League, Lucile Spire Bruner, along with other individuals viewing and displaying art in Las Vegas, Nevada. Other individuals pictured are Bill Cramer, Miram Kapfer, Irene Chenin, Marge Herzoz, Mary Callahan, and Eleanor Badik.