Oral history interview with Mary Sparrow conducted by Robert Tolbert on March 20, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Sparrow discusses her career as a telephone operator and the history of Las Vegas, Nevada. Sparrow describes her duties as an operator before the advent of the dial system, the growth of Las Vegas, and life in the city during the 1950s.

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 Ron M. Portaro conducted by Stefani Evans and Claytee D. White on July 27, 2017 for the Building Las Vegas Oral History Project. Portaro speaks about Built-Rite Construction, moving to Las Vegas, Nevada in 1993, and meeting notable Las Vegas men such as Pastor Paul Goulet Arnie Adamsen, and Charlie Kajkowski. Potaro also discusses how these experiences enabled him to benefit his church, his family, and his adopted community.

Oral history interview with Lovey McCurdy conducted by Greg McCurdy on March 19, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Lovey recalls arriving in Las Vegas, Nevada in 1951, meeting white people in Las Vegas, Nevada, the atomic bomb testing, and other aspects of being part of the African American community during the 1950s and 1960s.