Oral history interview with David Mills conducted by Risa Rosenstein on March 07, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Mills discusses the gaming industry in Las Vegas, Nevada and recalls the growth of gambling throughout the city. Mills then explains the origins of slot machines and the increase in number of slot machines inside casinos in Las Vegas. Lastly, Mills describes the technological advancement of slot machines.

Oral history interview with Mike Mullin conducted by Claytee D. White on September 06, 2019 for the Building Las Vegas Oral History Project. In this interview, Mullin discusses his early life in Pittsburg, Pennsylvania and moving to Las Vegas, Nevada in 1973. He recalls becoming a craps dealer, going into real estate, and establishing his company, Nevada Hand. Mullin talks about his company’s work to provide high-quality homes and supportive services for working families and seniors with fixed incomes. Lastly, Mullin describes the philanthropy behind his company and retiring from Nevada Hand.

Oral history interview with Steven Kalb conducted by Claytee D. White and Stefani Evans on January 05, 2017 for the Building Las Vegas Oral History Project. In this interview, Kalb discusses his early life in North Hollywood, California. He recalls moving to Las Vegas, Nevada in 1953, growing up in the Twin Lakes area, and recreational activities he participated in. Kalb talks about attending Arizona State University (ASU), studying construction engineering, and the formation of his father's company, George F. Kalb Construction. Kalb describes the first construction projects the company completed, forming Kalb Construction Company, and working on standalone projects. Lastly, Kalb discusses the future of the construction industry.

Oral history interview with Ron M. Portaro conducted by Stefani Evans and Claytee D. White on July 27, 2017 for the Building Las Vegas Oral History Project. Portaro speaks about Built-Rite Construction, moving to Las Vegas, Nevada in 1993, and meeting notable Las Vegas men such as Pastor Paul Goulet Arnie Adamsen, and Charlie Kajkowski. Potaro also discusses how these experiences enabled him to benefit his church, his family, and his adopted community.

Oral history interview with Harold Schnitzlein conducted by Anne Cvetkovic on March 13, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Schnitzlein discusses his life experiences in Southern Nevada. He talks about changes in the Las Vegas Strip since the 1950s, and life in Boulder City, Nevada.

Oral history interview with Vera Renteria conducted by Dan West on February 11, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Renteria discusses arriving in Las Vegas, Nevada in 1928 in search of job opportunities and talks about the various jobs she held. Renteria then describes the Boulder Dam (Hoover Dam), recreational activities, and wildlife around the area.

Oral history interview with Robert Griffith conducted by Jerry Gatch on March 19, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Griffith discusses arriving to Las Vegas, Nevada, and the development of railroads throughout Southern Nevada. He later talks about the first casinos, hotels, and the construction of Boulder (Hoover) Dam.