The Claude Warren Papers (1916-2019) series consists of archaeological maps, surveys and reports, manuscript drafts, and administrative college faculty files. His papers also include organization and associational records, personal correspondence, and academic records. The majority of material in this series consists of research files from Nevada and California, in addition to manuscript drafts and files pertaining to Warren's employment at the University of Nevada, Las Vegas (UNLV). This series also contains the professional papers of Robert H. Crabtree, a close friend and colleague of Warren.

The Elizabeth von Till Warren Papers (1919-2021) series consists of correspondence, meeting agendas, reprints, photographs, financial records, reports, manuscript drafts, photographs, slides, and negatives pertaining to the academic career and professional work of Elizabeth von Till Warren. The series also contains organizational records from von Till Warren’s involvement with the Old Spanish Trail Association (OSTA), Goodsprings Citizens Advisory Council (GCAC), Goodsprings Historical Society (GHS), and Preservation Association of Clark County (PACC). Research files related to Nevada preservation efforts, site exhibits, and trail markers from locations such as Big Springs, the Old Mormon Fort, and Valley of Fire are represented. The series also contains research files from von Till Warren’s dissertation on the Las Vegas Springs, in addition to dissertation drafts.