The Elizabeth von Till and Claude N. Warren Professional Papers (1916-2021) are comprised of the personal and professional papers of anthropologist Claude N. Warren and historical preservationist Elizabth von Till Warren. The materials in this collection primarily consist of research files, maps, and drawings on various archaeological and historical preservation projects in southern Nevada of which they both were involved. This collection includes field notes and surveys from archaeological projects such as the Old Las Vegas Mormon Fort and the Las Vegas Springs Preserve. Records on von Till Warren's involvement with the Old Spanish Trail Association, Southern Nevada Historical Society, and historic preservation work around southern Nevada are represented. Also included are Robert H. Crabtree's archaeological research files, a colleague of Claude Warren who bequeathed his professional files to him upon his death.

Ronzone Family Papers (1900-1991) include newspaper clippings, business documents, correspondence, certificates, yearbooks, publications, artifacts, and photographs. The papers document their lives in Nevada, their department store, and Dick Ronzone's involvement in local politics.

The Walking Box Ranch Collection (1880-1979, bulk 1930-1945) contains digital images compiled by the University of Nevada, Las Vegas (UNLV) Public Lands Institute. The collection consists of images of the Walking Box Ranch (Searchlight, Nevada), the Mojave Desert, and the Bell Family, consisting of American film stars Rex Bell, Clara Bow, and their children. There are also candid and professional photographs of Rex Bell and Clara Bow taken at various locations, some of which include friends and other family members, as well as a large number of unidentified film stills from Rex Bell movies. Images in this collection are from Bell family photograph albums and assorted prints, and were reformatted into digital images by the UNLV Public Lands Institute.