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 JW Zunino Landscape Architectural Records contain landscape and architectural drawings depicting work performed in Las Vegas, Nevada between 1986 to 2003. Casino work includes The Mirage Resort Hotel and Casino, the Monte Carlo Hotel and Casino, Tropicana Hotel and Casino, Suncoast Hotel and Casino, Caesars Palace, and Desert Inn Hotel and Casino. The records also include work performed for parks, residential properties, public and civil buildings, and commercial facilities.

The Las Vegas High School Reunion Biography Collection (1983) consists of class rosters, biographies of graduates, and photocopies of original programs from the four graduating classes of 1933 to 1936. The information specific to each year is compiled into its own handmade scrapbook. The materials were created for the 50th reunion of the class of 1933, and the event also included the classes of 1934, 1935, and 1936.

The George Kelly Ryan Photograph Collection (1929) depicts waterways in Southern Nevada and Northern Arizona. The collection consists of eight photographic prints and two photographic negatives depicting Saint Thomas, Black Canyon, Boulder Canyon, and the Colorado River.

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 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.