The Rancho High School Class of 1962 Collection (1956-2017) consists of materials donated by students of Rancho High School in Las Vegas, Nevada. The collection contains school event clippings, newspaper clippings, scrapbooks, pamphlets, physical and digital photographs, and school jackets and sweaters. Additionally, the collection chronicles the lives of many students after graduation through school reunion documentation from the 1970s to 2017. The collection also includes planning files for class reunion celebrations including the 40th, 50th, and 55th reunions.

The Carratelli Family Collection on Gay Rights in Nevada (1992-2002) consists of documents and ephemera from various gay rights organizations and events in Las Vegas, Nevada. In addition to documents, fliers, and meeting minutes, the collection houses a box of t-shirts from various gay events and campaigns. The collection is especially focused on issues of Gay Pride organizing.

The Yucca Mountain Environmental Safety Collection (1970-2011) consists of reports and impact studies collected by Clark County's Nuclear Waste Division library for documenting Yucca Mountain's potential health and safety risks to Southern Nevada. The reports contain documents pertaining to potential environmental, health, financial, and safety risks from the Yucca Mountain Nuclear Waste Repository, which is located in Nye County, Nevada. The collection contains scientific and social studies in support of and opposition to the site. The bulk of the collection includes licensing reports, site selection studies, and impact studies from transporting, storing, and handling radioactive waste and spent nuclear fuel.

The Collection on the Las Vegas, Nevada Jewish Community spans from 1964 to 2006 and is comprised of scrapbooks, genealogies, ephemera, and other material produced by or for the community. The Hadassah scrapbooks date from 1964 through 1971 and contain invitations, photographs, and records of events and fundraising efforts. Material related to various congregations includes bulletins, fliers, correspondence (form letters), photographs, newspaper clippings, and recorded media. The Jewish Genealogy Society records include bulletins, newsletters, and meeting agendas. Also included is a family genealogy.

The UNLV Libraries Collection of Casino Promotional and Publicity Material (1966-2004) consists of clothing, promotional souvenirs, and gambling ephemera from various hotels and casinos throughout Las Vegas, Nevada. These items include hats, shirts, mugs, ash trays, drinking glasses, menus, buckets, keychains, keno supplies, and playing cards. The hotels include Caesar's Palace, Flamingo Hotel, Imperial Palace, Palace Station, Showboat, Castaways, Stardust, El Rancho, Sam's Town, Circus Circus, and Four Queens, in addition to others throughout Las Vegas.

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 Ann Valder Photograph Collection on Judy Bayley (1969-1971) consists of black-and-white photographic prints of Hacienda Hotel owner Judy Bayley, collected by Las Vegas, Nevada journalist Ann Valder. The collection is primarily comprised of photographic prints of Bayley at a 1971 event held in her honor at the International Hotel in Las Vegas, Nevada. The collection also includes photographic prints of Bayley at fundraisers for the American Cancer Society. Ann Valder was an editor and journalist for the Las Vegas Review-Journal and Valley Times, as well as a columnist for the Las Vegas Sun.