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 Harold Stocker conducted by Ralph Roske and Elizabeth Warren on November 30, 1971 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Stocker discusses his upbringing, family life, and his experiences working the Northern Club owned by his mother, Mayme Stocker. Lastly, Stocker talks about the history of gambling and prohibition.

Oral history interview with John Gallagher conducted by Patrick W. Carlton on May 31, 2002 for the Boyer Early Las Vegas Oral History Project. In this interview, Gallagher discusses his career in higher education at the University of Nevada, Las Vegas (UNLV) as an educator and an administrator. Gallagher also describes his membership in the Las Vegas, Nevada chapter of the Rotary Club and that organization's relationship with UNLV. He concludes the interview by drawing distinctions between Las Vegas and cities of the Pacific Northwest.

Oral history interview with Hugh Key conducted by Bob Bush on February 21, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. Key discusses spending over thirty years in Las Vegas, Nevada. His wife, Mrs. Key, is also present during the interview and offers a few remarks.

Oral history interview with Mark Fine conducted by Claytee D. White and Stefani Evans on September 28, 2016 for the Building Las Vegas Oral History Project. In this interview, Fine discusses his upbringing in Cleveland, Ohio and initial interest in real estate. He recalls moving to Las Vegas, Nevada in 1997, his role in the development of Green Valley and Summerlin communities, and his idea that the link between volume of home sales and economics would increase the pace of development. He describes methods of building a sense of quality of life into his planned communities, building libraries, and the importance of accessibility. Lastly, Fine discusses his next projects, and reflects on the growth of Green Valley and Summerlin.

Oral history interview with Charles A. Baumert conducted by James M. Greene on October 31, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Bauret discusses the Hoover Dam construction, Boulder City, Nevada history, and the closing of Six Companies Inc. operations at Hoover Dam.

Oral history interview with Gary Pratt conducted by Ron Reda on March 16, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Pratt discusses the growth of early Southern Nevada. He talks about population growth, economic changes, and crime in early Las Vegas, Nevada.