The Mike O'Callaghan Professional Papers (1943, 1968-2004) mainly consist of research files gathered by Mike O'Callaghan in his post-political capacity as executive editor of the Las Vegas Sun as well as owner and publisher of the Henderson Home News, Boulder City News, and Green Valley News. The papers also contain handwritten and typewritten drafts of O'Callaghan's "Where I Stand" article for the Las Vegas Sun, along with his reporter's notebooks, monthly planners, and photographic prints. The research files cover a wide variety of topics, including but not limited to environmental issues; nuclear waste; state and local politics; military and veterans affairs; foreign relations including Israel, Iraq, and Korea; and education. The collection also contains copies of speeches given by O'Callaghan as the 23rd Governor of Nevada between 1971 and 1979, some of which contain handwritten notations.

The Las Vegas, Nevada Anti-Gay Counter-Protest Collection (2001) documents the counter-protests against supporters of Reverend Fred Phelps of the Westboro Baptist Church at their anti-homosexual demonstrations. The counter-protests were held at the University of Nevada, Las Vegas campus and the Liberace Museum on March 10, 2001. Materials in this collection included a typed excerpt from the journal of Dennis McBride recounting his experiences on the day of the protest. Also included are photographic prints of counter-protestor Joshua Dart at the demonstration, a poster from the demonstration, correspondence between McBride and Dart, and an issue of the Rebel Yell featuring a front page article about the demonstration.

The Story of Classic Las Vegas Oral History Interviews (approximately 2004-2006) contains video recordings of oral history interviews used for The Story of Classic Las Vegas documentary which was produced, directed, and edited by Lynn Zook. The documentary offers first person historical overviews of what it was like to live in Las Vegas, Nevada from the 1920s to the 1970s. Interviewees for theIndividuals interviewed for the project include individuals who represent a wide range of industries and culture that make up the Las Vegas population including politicians, attorneys, and entertainers. Materials also include a media kit for one of the interviewees Betty Willis which includes promotional materials about the documentary and a transcript of Willis's interview.

The collection is comprised of the records (1994-2012) for the Brandeis National Committee-Las Vegas Chapter. The collection is primarily comprised of publicity and marketing for events organized by the group, chapter newsletters, membership information, and study guides. Also included are the Brandeis National Committee-Las Vegas Chapter's policies handbook, bylaws, and certificates of commendation and proclamations.

The Building Las Vegas Web Archive is comprised of archived websites captured in 2017 that are related to UNLV University Libraries documentation project, Building Las Vegas. Archived websites represent architecture firms, construction companies, and housing developers in the Las Vegas Valley. This collection includes websites for organizations such as Mark L. Fine & Associates, Klai Juba Wald Architecture, Southern Nevada Home Builders Association, and AIA Las Vegas.

The Southern Nevada Governance Web Archive is comprised of archived websites captured from 2016 to 2017 that are representative of local government agencies in Southern Nevada. Cities represented in the collection include Boulder City, Henderson, Las Vegas, North Las Vegas, Mesquite, and Pahrump. The collection also includes websites for regional agencies and authorities such as the Regional Transportation Commission of Southern Nevada, the Las Vegas Valley Water District, and the Las Vegas Convention and Visitors Authority.

Boulder Dam: The Pictorial Record of Man's Conquest of the Colorado River (1937) is a public service announcement film produced by the U.S. Bureau of Reclamation about the construction of the Hoover Dam in Boulder City, Nevada in the 1930s. Included in the collection is the original 35mm black-and-white film that was shown at the Boulder Theatre in Boulder City which was owned by donor Myron Jones's family from 1959 to 1970.