Oral history interview with Leo Dunbar conducted by Connie Degernes and Helen Littleton on February 24, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Dunbar discusses the construction of Boulder (Hoover) Dam.

Oral history interview with Leo Dunbar conducted by Jay Brewer on May 05, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Dunbar discusses the growth of Boulder City, Nevada, the construction of Boulder (Hoover) Dam, and World War I.

Oral history interview with Katherine Duncan and Sarann Knight Preddy conducted by Claytee D. White on November 11, 2004 for the Boyer Early Las Vegas Oral History Project. In this interview Katherine Duncan and Sarann Preddy speak about creating a black cultural/historical tour of Las Vegas, Nevada. Preddy also discusses buying the Moulin Rouge Hotel and Casino to preserve its history. Both women then talk about racism, segregation, and the involvement of African Americans in the history of Las Vegas.

Oral history interview with Margaret Duncan conducted by Mustafa Adamu on March 15, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Duncan discusses discrimination on the Las Vegas, Nevada Strip and the first black entertainers on the Strip like Sammy Davis Jr. She also talks about the opening of the Sands Hotel, the Hoover (Boulder) Dam, Howard Hughes, atomic testing, and gambling.

Oral history interview with Renila Gunlap conducted by Lisa Johnson on March 09, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. Gunlap discusses her personal, generational, and occupational history in Las Vegas, Nevada. She also talks about her church membership, Stewart Ranch, and education.

Oral history interview with Martin Dean Dupalo conducted by Claytee D. White on October 24, 2005 for the Boyer Early Las Vegas Oral History Project. Dupalo discusses living in Las Vegas, Nevada in the 1970s, attending the University of Nevada, Las Vegas (UNLV), serving as an intelligence officer in the Air Force, and teaching at UNLV.

Oral history interview with H. Wayne Earl conducted by Diane Donavan on March 14, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Earl discusses his early recollections of Nevada and his life after moving to Las Vegas, Nevada in 1940. Earl also talks about World War II, McCarran Airport, Nellis Air Force Base, North Las Vegas politics, Jaycees, and the Chamber of Commerce. Additionally, Earl recalls his involvement in civic affairs, social and religious activities, including his affiliation with the Mormon Church.