Oral history interview with K. Oscar Knudson conducted by Dorothy O'Hara on an unknown date in 1974 for the Ralph Roske Oral History Project on Early Las Vegas. Knudson discusses his personal history in Las Vegas, Nevada and recalls positive economic changes that Southern Nevada had as a result of tourism.

Oral history interview with Midge Innis conducted by James Thomas Griffin on May 8, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. The two discuss her occupational history as well as how she met her husband. Innis discusses the changes inside casinos and gambling. The interview concludes with Innis’ thoughts on environmental and social changes in Las Vegas, Nevada.

Oral history interview with John M. Belville conducted by George Braver on March 11, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Braver discusses his move to Nevada in 1926, his personal history, and early banking in Nevada leading up to modernized banking. Belville also discusses his personal experience in the banking business, working in Hollywood as a singer, and key moments of his life in Nevada.

Oral history interview with Jack Lindell conducted by Michael Forrest on February 24, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In the interview, Lindell discusses arriving in Las Vegas, Nevada from California in 1951 for new employment opportunities. He discusses working as a building contractor, developer, and as a teacher.

Oral history interview with Clifford Kemple conducted by Paul Wilkins on April 4, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Kemple discusses his early life in Goodsprings, Nevada; Las Vegas, Nevada, and changes that he has noticed in Las Vegas.

Oral history interview with Leon Harteson conducted by David Bash III on June 20, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In his interview Harteson discusses his views on the development of Las Vegas, Nevada.

Oral history interview with Rena Lees conducted by Bill Young on March 19, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Lees talks about her experience living in Las Vegas, Nevada from the 1930s to 1950s. She specifically talks about growing up in Las Vegas and the mob's influence throughout the city. She also discusses her family and her career working at Sunrise Hospital.