The Clark County Planning Commission Research Library Collection (1911-2004) consists of reports, publications, and proposals gathered by the Clark County Planning Commission that focus on the environmental impact of proposed developments, construction, or infrastructure improvements around the county. The collection contains materials related to various local, state, federal, and inter-agency workshops, committees, and agencies. Documents include activity reports, impact statements, annual budgets and reports, and detailed studies. The majority of the collection dates from 1970 to 1999.

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 UNLV Libraries Collection of 18th Century Sheet Music (1745-1799) contains handwritten sheet music for popular English songs in the 18th century published in London, England and Dublin, Ireland.

The UNLV Libraries Collection of Prints, Lithographs, and Illustrations (approximately 1840-1950) contains visual artwork depicting Native Americans, white settlers, and various railroad and mining activities in the American West during the 19th century. The collection also contains artwork depicting various games, the act of gambling, and advertisements. Materials include prints, illustrations, lithographs, and newspaper clippings.

The UNLV Libraries Collection of Merrill Lynch & Bear Stearns Reports (approximately 1990-2007) contain gaming, lodging, and estimate change reports reports for the United States and Singapore created by Merrill Lynch and Bear Stearns, & Co.

The Las Vegas, Nevada Women's March Memorabilia contains various types of memorabilia from the Women's March held in Las Vegas, Nevada on January 20, 2018. Materials include a march volunteer badge, "Power to the Polls" posters, buttons, bandana, and business cards as well as a Human Rights Campaign flag.

The Rita Ritner Jung Papers (approximately 1970-2010) contain the personal papers of Margarita "Rita" Ritner Jung. The collection contains Jung's poetry, personal reflection essays, and a number of oil paintings. Jung's poetry and essays center on her experiences growing up and living in China, marrying, and later relocating to Las Vegas, Nevada for a short time. The oil paintings are of various dog breeds and unidentified individuals.