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.

Oral history interviews with Joan Swift conducted by Sue Peterson on March 18, 2004, March 25, 2004, and June 22, 2004 for the Boyer Early Las Vegas Oral History Project. In this interview, Swift discusses life in Las Vegas, Nevada during the 1940s and 1950s. Swift begins the interview by describing her upbringing in the Basic townsite and Boulder City, Nevada, attending Basic High School, and life in Southern Nevada during World War II. She then discusses working in the Clark County Recorder's office, explaining her job duties and what function the office served for the county. Swift continues, talking about recreation activities at the time, including visiting the casinos on the Las Vegas Strip and the Helldorado Parades. Swift discusses nuclear weapons testing at the Nevada Test Site and her career as the Clark County recorder. Lastly, she describes her thoughts on the future of Las Vegas, Nevada.