Oral history interview with Rick Tilman conducted by Nicholas Christie on February 28, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Tilman discusses his personal history and his educational background. Tilman then describes changes in Las Vegas, Nevada and how gambling helped the Las Vegas economy grow. He later recalls atomic bomb testing, local politics, and the rise of crime throughout Las Vegas.

Oral history interview with William Viera conducted by Ann Louise Pugh on an unknown day in October of 1971 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Viera discusses his work in real estate throughout Las Vegas, Nevada and describes the increase in value of homes, especially newer buildings. Viera later describes his thoughts on why the desert and other surrounding landscape areas would soon be developed.

Oral history interview with J.T. Thomas conducted by Samuel Greene on February 13, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Thomas discusses his arrival to Las Vegas, Nevada in 1913 in search of job opportunities. Thomas also describes the development of Las Vegas, specifically the increase of hotels and casinos. Thomas then discusses segregation in schools and explains that African Americans were only allowed to live on the West Side of Las Vegas. Thomas later recalls downtown Las Vegas and changes in the state's educational curriculum.

Oral history interview with Kathryn Domenick conducted by Richard Colanduno on February 29, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. Domenick discusses atomic testing, politics, the Pony Express, and the economic slump in Las Vegas, Nevada. Domenick also talks about population changes and the political climate of Las Vegas.

Oral history interview with Jerald Arthur Nelson conducted by Phillip Dean Nelson on March 19, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Nelson discusses the history of law enforcement in Southern Nevada. He specifically talks about the history of organized crime and its influence in Las Vegas, Nevada.

Oral history interview with H. P. Fitzgerald conducted by Kathlyn Wilson on March 09, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Fitzgerald discusses black history in Las Vegas, Nevada. He also talks about school integration and being one of the first black administrators for Clark County School District.

Oral history interview with Laurence Ullom conducted by Cathy Pickins on March 04, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Ullom discusses Las Vegas, Nevada history involving World War II, atomic bomb testing, and Helldorado Parade. Ullom also gives insight on the construction of Boulder (Hoover) Dam.