The Thomas Clark Professional Papers (1950-1998) contain materials from his tenure as a Professor of English at the University of Nevada, Las Vegas (UNLV), which are divided into two series. The gaming research series includes newspaper clippings, correspondence, brochures, bulletins and articles. Also included are book chapters, a glossary of terms used in the casino industry, and gambling guides. In the linguistics and teaching series there are research files, articles, speeches, correspondence, interviews, multimedia, workshops, and conference materials. Also included are files on graffiti, symbolism, ethnic and regional speech differences, language usage, and National Council of Teachers of English (NCTE) material. Additional materials include colleague publications and cassette tapes of interviews from students in courses Clark taught at UNLV.

The K. O. Knudson Photographs (approximately 1920-1969) depict the Las Vegas Grammar School and service, fraternal, and veterans organizations gathered by retired Las Vegas, Nevada school administrator and World War I veteran K. O. Knudson (also known as K. Oscar Knudson). The collection includes images of Knudson, Las Vegas Masonic Lodge members, American Legion members, and school dances. The photographs primarily feature Las Vegas, Nevada.

The Charles P. and Delphine Squires Papers from 1882 to 1964, with bulk dates from 1905 to 1964, contain book and short story manuscripts, articles, press releases, newspaper clippings, and radio scripts written by Squires and his wife, all relating to their early life in Las Vegas. Also included are report cards, certificates, Parent Teacher Association material, Mesquite Club records and church activity materials.

The History of Nursing in Southern Nevada Oral History Project Records (1965-2014) are comprised of material related to a volunteer project initiative at the University of Nevada, Las Vegas School of Nursing to conduct oral history interviews with nurses who have practiced in Southern Nevada. The collection contains subject files related to the project, as well as audio, video, and transcript files for the interviews. The collection also includes general information on nursing in Southern Nevada such as research papers and documents from the Nevada Nurses Association.

The UNLV Libraries Collection of Hilton Hotels Corporation Promotional Materials and Financial Reports includes promotional materials, press materials, photographs, financial reports, and newspaper and magazine clippings for Hilton Hotels Corporation located in Tysons Corner, Virginia, and the Flamingo Hilton and Las Vegas Hilton located in Las Vegas, Nevada dating from 1964 to 2007.

The Nevada Test Site Oral History Project Records (approximately 1950-2008) consist of oral histories collected by University of Nevada, Las Vegas Department of History for the Nevada Test Site Oral History Project. The collection includes digital audio recordings of interviews, print and digital transcripts, and a small selection of digital video recordings. Some interviews have also been supplemented with photographs, letters, scientific articles, brochures, news clippings and ephemera about the Nevada Test Site.