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 Mary Habbart conducted by Jane Finfrock on February 28, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. Habbart first talks about her move to Las Vegas, Nevada in 1920 and her husband’s subsequent employment. She also talks about the first casinos, the development of the university campus, visits of U.S. presidents, and the Mormon Fort. She also discusses the Helldorado Parade, flash floods, snowing in Las Vegas, her role in developing Sunset Park, her family, and her education.

Oral history interview with Al Pehlke conducted by Pete Domphase on April 02, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Pehlke gives a recollection of his life in Las Vegas, Nevada. Pehlke also gives a detailed description of the above ground atomic bomb testing.

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.

Oral history interview with Robert Mather conducted by Ed Bussard on February 09, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Mather discusses living in Boulder City, Nevada, moving to Las Vegas, Nevada after his military service, and later discusses additional work experience. He also touches upon his political views, his opinion on gambling, and changes in Las Vegas over time.

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 John Acres conducted by Stefani Evans and Claytee D. White on July 11, 2017, and September 28, 2017 for the Building Las Vegas Oral History Project. Acres discusses his progressive jackpot system for the Lady Luck Casino, which was also installed in the Aladdin, the Frontier, and the Golden Nugget in Las Vegas, Nevada. Acres relates history of his work in engineering and manufacturing gaming technology and recalls how and why he sold his first company, Electronic Display Technology (EDT). Acres then discusses Acres 4.0, which develops artificial intelligence that creates customer experiences while reducing operational costs, and explains the Gen7 concept of planning solutions that will last for seven generations.