Oral history interview with Elsie Whipple conducted by Hugo A. Cascos Jr. on March 22, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Whipple discusses Southern Nevada history and recalls the construction of Boulder (Hoover) Dam. Whipple also recalls the first hotels and casinos to open on the Las Vegas, Nevada Strip, and her work as a missionary with the Mormon Church.

Oral history interview with Clara Ann Nickell conducted by Connie Lyons on March 05, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Nickell discusses moving from California to Boulder City, Nevada to work at the Boulder (Hoover) Dam. Nickell also discusses life at the time such as commuting to Las Vegas, Nevada and methods for heating and air conditioning.

Oral history interview with Dal Peterson conducted by Daion Dall on February 28, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Peterson recalls the opening of Boulder (Hoover) Dam, and the significance of the Helldorado Parade. Peterson later discusses environmental and social changes throughout Las Vegas, Nevada.

The William Mors Audiovisual Collection (approximately 1989-2001) contains material created by William Mors Productions and the Las Vegas History Foundation. Subjects include Hoover Dam, entertainment in Las Vegas, Liberace, and the history of Las Vegas. The collection consists of vhs tapes, U-Matic tapes, betamax, and other formats and are originals, masters, edited masters, clips, and final production tapes.

Oral history interview with Joseph and Mildred Kine conducted by Jay Brewer on April 29, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. The Kines discuss Boulder City, Nevada and the construction of Boulder (Hoover) Dam. The interview concludes with discussion surrounding Army camps and living conditions.