Oral history interview with Dewitt Tracht conducted by Jay Brewer on April 30, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Tracht discusses business in Southern Nevada and how the business market expanded and developed in his lifetime. Tracht lastly talks about the early techniques of advertisement.

Oral history interview with Ellis LeFevre conducted by A. D. Hopkins on March 01, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In the interview, LeFevre discusses his early life in Las Vegas, Nevada, as well as his experiences with bootlegging during Prohibition Era, and his encounters with local law enforcement.

Oral history interview with Ruth Hazard conducted by Jeff Crampton on March 27, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Hazard offers an overview of life in early Las Vegas, Nevada from 1931 to 1977 including atomic testing.

Oral history interview with Angelo Pedot conducted by Steve Mathwig on March 14, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Pedot discusses moving to Nevada to work at the Basic Magnesium plant. Pedot also shares memories of Las Vegas, Nevada as more casinos were built.

Oral history interview with Leo Dunbar conducted by Jim Maxon on May 28, 1985 for the Ralph Roske Oral History Project on Early Las Vegas. Dunbar discusses his life as a Boulder City, Nevada native.

Oral history interview with Renila Gunlap conducted by Lisa Johnson on March 09, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. Gunlap discusses her personal, generational, and occupational history in Las Vegas, Nevada. She also talks about her church membership, Stewart Ranch, and education.