Oral history interview with Barbara Millington conducted by David Mowrey for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Millington discusses the development of Las Vegas, Nevada and compares the 1940s to the 1980s. Millington also discusses her work history and personal life in Las Vegas.

Oral history interview with Roy Smith conducted by Gary Michael Buyacheic on March 13, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Smith discusses arriving to Las Vegas, Nevada in 1931 for job opportunities. Smith recalls the introduction of gambling and the impact it had on the city and throughout Nevada. Later, Smith describes the Stewart Ranch, Mount Charleston, and the growth of casinos and hotels on the Las Vegas Strip.

Oral history interview with Gayle Wallace conducted by Steven Stover on February 13, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Wallace discusses his personal history and the history of Las Vegas, Nevada. Wallace begins by describing his father's career as a mechanic working on the construction of Hoover Dam (Boulder Dam). Wallace then describes moving to North Las Vegas, Nevada, what life was like in the developing city, and living in a tent. He talks about his career as a floral designer, how Las Vegas has changed, and recreational activities in the city.

Oral history interview with Richard "Dick" Rizzo conducted by Stefani Evans on October 18, 2017 for the Building Las Vegas Oral History Project. In this interview, Rizzo discusses his early life in Massachusetts and initial interest in construction. He remembers moving to Arizona to join Tutor Perini Building Corporation in 1977, the company’s first Las Vegas, Nevada project, and their company’s decision to move to Las Vegas in 1980. Rizzo talks about the company's public image, building CityCenter, and the importance of maintaining professional relationships with all members in a building project. Later, Rizzo recalls the making of the book Creating CityCenter: World-Class Architecture and the New Las Vegas, and the company’s involvement with MGM. Lastly, Rizzo discusses the future of Tutor Perini Building Corporation.

Oral history interview with Leonard R. Fayle conducted by Jennifer Sealey on February 21, 1980 and March 06, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. Fayle discusses his family history and life in Gene, Goodspring, and Sandy Valley, Nevada. He also discusses his involvement in organizations, early mining, religion, and prostitution.

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.

Oral history interview with Harry Block conducted by Mark McLane on February 24, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Block discusses recreational activities, his experience during World War II, early businesses and casinos in Las Vegas, Nevada, the Helldorado Parade, Block 16, atomic testing, changes in technology, and visiting Mount Charleston.