Oral history interview with Edgar Fountain conducted by Julia Bragg on February 26, 1973 for the Ralph Roske Oral History Project on Early Las Vegas. Fountain discusses his career, the Boulder (Hoover) Dam, and the Democratic Party.

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 Howard Warner conducted by Virginia Lacouture on July 04, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Warner discusses arriving to Las Vegas, Nevada as a special agent with the intelligence division of the United States Department of the Treasury. Warner then describes the expansion of businesses as the population increased in Las Vegas.

Oral history interview with Saul Wixson conducted by Ralph Goudy on March 07, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Wixson discusses the construction of Boulder (Hoover) Dam and the work of Frank Crowe, chief engineer of Boulder (Hoover). Wixson also discusses the process and work required to construct the dam and his opinion of the dam as it was being completed.

Oral history interview with Susan Cowan conducted by Andres Moses on January 31, 2006 for the Boyer Early Las Vegas Oral History Project. Susan Cowan discusses growing up in Kansas City, Missouri, and always enjoying tap dancing. She then discusses working as a secretary at the University of Colorado-Boulder and becoming the lead administrator for the chemistry department there. She also discusses moving to Las Vegas, Nevada with her husband and getting involved with the local tap dancing community.

Oral history interview with Betty Pomeroy conducted by Jackie Ogden on March 23, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Pomeroy discusses her personal history, education in Las Vegas, Nevada, and labor unions. She then describes Nevada politics, specifically being active with political campaigns. Later, Pomeroy discusses gambling and its significance to the Las Vegas economy, along with the consequences that come with gambling. Lastly, Pomeroy recalls social life, recreational activities, and her employment in the hospitality industry.

Oral history interview with Michael J. Signorelli conducted by Claytee D. White and Stefani Evans on August 4, 2016 for the Building Las Vegas Oral History Project. Signorelli discusses getting a gaming license, building a hotel-casino in Mesquite, Nevada, running Fitzgerald's (now the D) downtown, and putting together land deals to develop a hotel-casino in Laughlin, Nevada and one in North Las Vegas, Nevada.