Oral history interview with Olenda Purdy conducted by Mark Miller on March 12, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Purdy discusses her experiences living in Las Vegas, Nevada. She specifically talks about her family history, gambling in Las Vegas, and the changes in the Las Vegas economy and environment since the 1960s.

Oral history interview with J. Harold Tilton conducted by David M. Hollic on February 21, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Tilton discusses his personal history and moving to Las Vegas, Nevada in 1925. He then describes the development of Las Vegas and recalls the expansion of the city in both the north and west. Lastly, Tilton discusses the construction of homes in undeveloped desert land, as well as environmental and social changes in Las Vegas.

Oral history interview with Carus Lortz conducted by Corrado R. Carey on February 26, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Lortz talks about his life and the history of Las Vegas, Nevada. He specifically talks about his religious background and the growth of Las Vegas, Nevada.

Oral history interview with Gail Zamito conducted by Muriel Osborne on March 05, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. Zamito discusses the development of Las Vegas, Nevada since her move to the city in 1950.