Oral history interview with Harley E. Harmon conducted by Perry Kaufman on April 14, 1972 for the Ralph Roske Oral History Project. In his interview Harmon discusses the influences his family has had on the development of Las Vegas, Nevada and Clark County.

Oral history interview with Edward Ferris conducted by Rafael Lara Jr. on March 16, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In his interview, Ferris discusses the history of Las Vegas, Nevada, the recession in 1952-1953, The Last Frontier hotel, and the growth of businesses, including his automotive business, and the Las Vegas, Nevada community.

Oral history interview with Forrest Woodward conducted by Laurie Mearns on February 23, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. Woodward discusses arriving to Southern Nevada, its history, and sports.

Oral history interview with Ethel S. Hatch conducted by P. Kohlman on November 24, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. This interview covers the history of Las Vegas from 1939 to 1975. Mrs. Hatch also talks about ranching in Nevada, Rex Bell, development on the Strip, the first hotels, and early local shopping culture. The interview concludes with discussion surrounding tree-lined streets, the Helldorado Club, and Fremont Street.

Oral history interview with Charis Robbins conducted by Steven J. Syzdek on March 17, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Robbins describes her early life living in various towns in California during the early 1900s, namely Silver Peak, California, before moving to Las Vegas, Nevada in 1943.

Oral history interview with Henry Zigtema conducted by Cheryl Stewart on February 27, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Zigtema shares personal stories regarding his arrival to Las Vegas, Nevada in 1929, and the development of the city.

Oral history interview with Lawrence Hawley conducted by Andy Sturgeon on March 13, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. The two discuss how Hawley first came to Nevada, as well as his personal family history. Hawley describes Hoover Dam as it was being built, the effects of the Depression on Nevada, and how Las Vegas has grown in size. Hawley also discusses liquor laws and how practicing law has changed since he first moved to Nevada.