Oral history interview with Don Welch conducted by his daughter, Kelly Welch, on March 15, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Welch discusses his personal history and the history of Las Vegas, Nevada, including being raised in Las Vegas and life in the city during the 1930s. He describes how Las Vegas and the surrounding areas have grown and changed, his education, and the construction of casinos and other important buildings.

Oral history interview with Fairlaine Trousdale conducted by Lorna Blount Holmberg on February 2, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Trousdale discusses education in Southern Nevada, the Culinary Union, and changes in Las Vegas, Nevada.

Oral history interview with Patricia Mulroy conducted by Stefani Evans and Claytee White on January 03, 2017 for the Building Las Vegas Oral History Project. Mulroy discusses the 1991 formation and function of Southern Nevada Water Authority and how it enabled the various jurisdictions in Southern Nevada to work together to continue to grow.

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.

Oral history interview with Nancy Norris conducted by Elizabeth Schwartz on March 11, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Norris discusses moving to Las Vegas, Nevada where her husband was working for the railroad company. Norris also discusses nursing and what Las Vegas was like during wartime. Lastly, Norris discusses the growth and development of casinos in the city.

Oral history interview with Alexander Nicholas conducted by Saleeh Sarwar Khan on February 24, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Nicholas discusses the increase in population in Las Vegas, Nevada and describes the type of crime that is most common in the city. Nicholas also describes the increase in pollution as more factories were built. Lastly, Nicholas discusses general changes in Las Vegas.

Oral history interview with Howard Wasden conducted by Gillian Collins on an unknown date in the 1970s for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Wasden discusses arriving in Las Vegas, Nevada in 1925 and working for the railroad. Wasden explains how the railroad was a predominant economic asset for Las Vegas at the time. He then describes living on the Westside "Old Town", education in Las Vegas, attending the University of Nevada, Reno, and eventually becoming a teacher. Lastly, Wasden discusses the population growth, development of the Las Vegas Strip, and his role as principal of West Charleston School.