Oral history interview with Gerardo Topacio, Philomena Topacio, and Teresa Prezgay conducted by Claytee D. White on April 13, 2018 for the Boyer Early Las Vegas Oral History Project. In this interview, Gerardo discusses his early life in Manila, Philippines. He remembers the attacks in Pearl Harbor on December 07, 1941, the Japanese and Philippines conflict, and immigrating to the United States. Gerardo talks about his employment with Edgerton, Germeshausen, and Grier, Inc. (EG&G) and working at the Nevada Test Site. Philomena recalls her career in the hotel industry and being a member of the Culinary Workers Union Local 226. The couple was joined by their daughter, Teresa Prezgay. Prezgay talks about her career as a math teacher and promotes the increase of women in science, technology, engineering and mathematics (STEM) fields.

Oral history interview with Nanyu Tomiyasu conducted by Mark French on April 12, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Tomiyasu begins by discussing his father's immigration from Japan to North America in 1898, and his move to Las Vegas, Nevada in 1916. He talks about his father's work in agriculture and the types of crops grown in Las Vegas during the early twentieth century. Tomiyasu also discusses his own upbringing in Las Vegas, how the city has changed and grown, and his education. Tomiyasu describes the Native Americans of Southern Nevada, the environmental changes caused by the construction of the Hoover Dam (Boulder Dam), and his experiences as a Japanese American in Las Vegas.