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 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.