The Harmon Family Photograph Collection contains black-and-white and color photographic prints, negatives, postcards, and slides of the Harmon family in Las Vegas and Boulder City, Nevada between approximately 1900 and 1983. Las Vegas photographs depict the Harmon family in their home, at a ranch, and at Las Vegas High School. Boulder City photographs include a wedding and a view of Black Canyon, Nevada. Lastly, the collection also includes photographs of the Harmon family with various people, including the Wengert family and Howard Cannon, at receptions, ceremonies, and posing in front of Las Vegas buildings.

The American Booksellers Association Collection (1990) consists of catalogs, directories, and magazines pertaining to the annual meeting of the American Booksellers Association (ABA) in Las Vegas, Nevada in 1990.

This collection contains the original drafts of the thirteen essays that Elizabeth Harrington wrote about her life in early Las Vegas, Nevada. These articles were written from her memory and experiences of life in Las Vegas beginning in the early 1900s, and were published in the Nevadan section of the Las Vegas Review-Journal from 1975-1979.

The Dennis McBride Photograph Collection (approximately 1904-2018) contains over 5,000 individual photographic prints, negatives, digital images, and postcards that depict various events, people, and locations, across southern Nevada, particularly from the 1960s to the 1990s. The postcards depict a large number of hotels and casinos in cities throughout Nevada including Las Vegas, Tahoe, Reno, and Boulder City. The photographs depict a variety of events held at the University of Nevada, Las Vegas Special Collections and Archives, local branches of the Las Vegas Public Library, and local community spaces and stores. The collection also includes a detailed list of photographs from lesbian, gay, bisexual, transgender, and queer (LGBTQ) events taking place across Las Vegas from 1996 to 2018 including Pride parades, social gatherings in bars and nightclubs, holiday celebrations, and political marches and demonstrations.

The UNLV December 6, 2023 Memorial Collection (2023-2024) contains material documenting the response to the deadly shooting on UNLV's Maryland Parkway campus on December 6, 2023. The collection contains items left at spontaneous memorials, such as handwritten notecards, small religious tokens, bracelets, teddy bears, and artificial flowers. Also included in the collection are videos of the UNLV vigil service held on December 13, 2023, archived UNLV websites, and condolence items sent to campus administration. Additionally, two members of the UNLV community donated their personal photographs and journal entries relating to the day of the shooting.

The Betty Lewis Postcard Collection (approximately 1907-1929) consists of postcards and photographic slides. The items depict Goldfield, Palisade Canyon, and Tonopah, Nevada homes, trains, and hotels.

The UNLV Libraries Collection of Travel Postcards (approximately 1915 to 1979) is comprised of black-and-white and color commercial postcards from thirty-six locations within the United States, Europe, and Asia.