Oral history interview with Morgan J. Sweeny conducted by James M. Greene on September 20, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. Sweeny discusses Boulder City, Nevada and the Boulder (Hoover) Dam.

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 Paul Steelman conducted by Claytee D. White and Stefani Evans on August 24, 2016 for the Building Las Vegas Oral History Project. In this interview, Steelman discusses his early life and initial interests in architecture. He talks about arriving to Las Vegas, Nevada in 1987, working with architect Joel Bergman, and designing the Mirage with Steve Wynn. Steelman remembers opening up his architecture firm, Steelman Partners LLP, and the properties they have built in Las Vegas.

Oral history interview with Dorothy Thompson conducted by Patricia Moore on February 18, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Thompson discusses the growth of Las Vegas, Nevada. Thompson also describes her life as the wife of a railroad worker. She briefly discusses religion, specifically Mormonism.

Oral history interview with Gene Leavitt conducted by his son, Monte Leavitt, on February 28, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Mr. Leavitt talks about his career as a truck and bus driver. He also talks about the life in Southern Nevada, the soldiers stationed here, and gambling. Leavitt also briefly discusses doing drilling work on the Boulder (Hoover) Dam.

Oral history interview with Larry L. Woodrum conducted by Michael T. Groome on March 11, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Woodrum discusses banking in Southern Nevada. Woodrum then describes the growth in population of Las Vegas, Nevada, and explains why banking is important. Lastly, he discusses the advancement of banking in Las Vegas.

Oral history interview with DeRuyter O. Butler conducted by Stefani Evans and Claytee D. White on September 15, 2016 for the Building Las Vegas Oral History Project. Butler begins with discussing his early life and joining Steve Wynn's Atlandia Design in Atlantic City, New Jersey in 1982. He then talks about moving to Las Vegas, Nevada in 1986. The interview focuses on the design and development of various Las Vegas casinos.