The Mavis Eggle "Books as They Were Bought" collection provides a broad overview of printed material from the 1780s through 1949. Gathered by book collector Mavis Eggle, the collection serves as a social history of books, newspapers, and ephemera. Physical characteristics of the books include a variety of printer's marks, publishers' bindings, bookplates, and early subscription libraries. The collection's titles are a diverse and creative gathering of poetry, children' literature, religious texts, broadsides, newspapers, and popular fiction. Together, the items in the Mavis Eggle "Books as They Were Bought" collection illustrate changes in literature, printing and publishing, advertising, and book history over a time period of more than 170 years.

The Tonopah and Tidewater Railroad Records (1905-1977) contain correspondence, purchase requisitions, bills of lading, freight reports, and waybills. Also included are a ledger book, a rubber stamp, and a booklet, "Diagrams of Locomotives and Tenders." Incorporated in 1904, the Tonopah and Tidewater Railroad operated for 35 years, connecting Ludlow, California with Beatty, Nevada by way of Death Valley on the Santa Fe Railroad main line. The records are concentrated on the later years of the railroad from 1930 to 1940.

The Nevada Watercolor Society Records (1969-2009) contain watercolor paintings and organizational records pertaining to the Nevada Watercolor Society, a non-profit organization that aims to promote watermedia painting and art appreciation. Organizational records contain materials including by-laws, articles of incorporation, newsletters, exhibit information, tax and financial records, receipts, photographs, negatives, and newspaper clippings. The collection also includes paintings by society members and newspaper clippings about art exhibitions and artists in Las Vegas, Nevada.

The Patricia Becker Scrapbooks reflect the professional activities of "Patty" Becker from 1976 to 2013. Materials include photographs, awards, correspondence, and newspaper articles documenting Patricia Becker's career. Included are articles related to her appointment as the Executive Director of the UNLV International Gaming Institute in 2005 as well as a Harrah's Senior Executive Organization Chart from 1984 to 1993.

The Russ Morgan Music Manuscripts (approximately 1950-1967) are comprised of manuscript arrangements used by the Russ Morgan Band for live concert, radio, and television performances. The collection includes handwritten scores and parts for popular music.

The Frank Gagliardi Music Manuscript Collection (approximately 1964-1974) contains musical arrangements of standard Frank Sinatra songs, printed or photocopied with annotations. Each part is in its own folder, and each song is numbered. Frank Gagliardi performed as percussionist in Antonio Morelli's orchestra for the Sands Hotel in Las Vegas, Nevada, where he played for Frank Sinatra and other notable entertainers during the 1960s and 1970s.

The UNLV University Libraries Photographs of the Development of the Las Vegas Valley, Nevada (2016-2020) are comprised of digital photographs captured as part of the Special Collections and Archives Building Las Vegas project. Digital photographs shot in the Las Vegas Valley, Nevada, include color images of street scenes, neighborhoods, developments, land use, housing, flood control, parks, traffic patterns, and parts of the tourism corridor including casinos and hotels.