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 Lee H. Lisby conducted by Glen E. Davis on July 10, 1975; Rita O'Brien on April 10, 1978; and Elizabeth Patrick on May 10, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In 1942, Lisby moved from Tallulah, Louisiana to Las Vegas, Nevada. Lisby talks about living conditions and work opportunities for African-Americans in Las Vegas.

Oral history interview with Joanne Imprescia conducted by David Furbush on March 20, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. Imprescia discusses her life as a hairdresser in Las Vegas, Nevada. Imprescia discusses the growth of Las Vegas and the local social climate of the 1950s. The interview concludes with Imprescia explaining her experiences as a Las Vegas business owner and the hairdressing industry in Southern Nevada.

Oral history interview with Nellie Feour conducted by Bill Rogers on March 25, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Feour discusses first moving to Las Vegas, Nevada and how people coped with the extreme heat in the 1940s. Feour continues the interview discussing the growth of Las Vegas, Nevada and the building of Henderson, Nevada and the industries that came with the city.

Oral history interview with Jack West conducted by Perry Kaufman on June 12, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, West discusses his experience and employment in the advertising industry in Las Vegas, Nevada. West also explains the significance of publicity campaigns for companies.

Oral history interview with Gary Ostensen conducted by Claire McCoy on March 13, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. in this interview, Ostensen describes the difficulties that face bellmen in the hospitality industry in Las Vegas, Nevada. Ostensen later discusses the requirements to be a good bellmen.

Oral history interview with Robert H. Lias conducted by Verna M. Holley on March 02, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Lias describes life in early Las Vegas, Nevada after arriving in 1932, and his career as a postmaster.