Oral history interview with Hal G. Curtis conducted by Bill Teepe on February 24, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Curtis talks first about his work on the Union Pacific Railroad before discussing changes and development in Las Vegas, Nevada, including development on the Strip and Downtown areas. He also talks about Block 16, the El Rancho Vegas fire, social clubs, and religion.

Oral history interview with David Bruce Dill conducted by Luise A. Soholt on March 13, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Bruce Dill discusses his experience as a researcher in physiology, specifically in Boulder City, Nevada. Dill first discusses his educational background, studies done around the world, and his interest in the effects of heat on the workers of Boulder Dam. He then discusses the topics and findings of some of his studies, including one on heat cramps and one on a comparison between sweating in a dog versus in a human.

Oral history interview with Frank Cuti conducted by Hans Kohls on February 25, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. Frank Cuti discusses his experiences in the gaming industry in Nevada, such as his work as a floor man and a dealer in properties such as the Frontier Club during the 1940s. He then describes the changes in casinos like the El Rancho Hotel, Club Bingo, and the Flamingo Hotel. Other topics discussed include the nature of competition between properties, cheaters, the mob, the involvement of unions, and Howard Hughes’ influence on the development of Las Vegas, Nevada.

Oral history interview with Ray M. Cutright conducted by himself on April 22, 1981 for the UNLV University Libraries Oral History Collection. Cutright talks about his experiences in operating a boat that carried both tourist passengers and workers to and from the site of the Hoover Dam. He also discusses a few specific experiences, including what it was like navigating the river.

Oral history interview with Marko Dobro conducted by Elizabeth Nelson Patrick on August 8, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Dobro discusses World War I, Tonopah, Nevada, and Goldfield, Nevada.

Oral history interview with Betty Ham Dokter conducted by Roger Jablonski on February 27, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Dokter describes church activity and the first casino properties that were built. She later talks about presidential visits, economic changes in Nevada, and the construction of Hoover Dam. The latter part of the interview covers the topics of racial minorities, as well as social and environmental changes.

Oral history interview with Harvey N. Dondero conducted by Iskandar A. Batlouni on February 26, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Dondero discusses relocating to Las Vegas, Nevada in 1931 to teach at Las Vegas High School. Dondero also discusses the Boulder (Hoover) Dam, the gaming industry, school integration, the Westside, the Strip, Howard Hughes, Block 16, and the growth of Las Vegas from a sleepy railroad town to a thriving metropolis.