Oral history interview with Dewitt Tracht conducted by Jay Brewer on April 30, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Tracht discusses business in Southern Nevada and how the business market expanded and developed in his lifetime. Tracht lastly talks about the early techniques of advertisement.

Oral history interview with Art Trelease conducted by Patricia Holland on May 16, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Trelease discusses the fire department in Las Vegas, Nevada.

Oral history interview with Robert E. Campbell and Patricia K. Campbell conducted by Stefani Evans and Claytee D. White on November 28, 2017 and February 27, 2018 for the Building Las Vegas Oral History Project. In this interview, Robert Campbell talks about the ways his career in public administration blossomed in Southern Nevada. Much of the interview is centered on Lake Las Vegas. Robert shares the strategies employed by the Wednesday morning group of Henderson boosters who met at Saint Peter's Catholic Church and who succeeded in gaining the necessary local, state, and federal approvals to move the project forward. He reveals issues that arose during development. Patricia discusses her relationship with Robert and shares stories of her family.

Oral history interview with Nanyu (Nelson) Tomiyasu conducted by Samantha Kerwin on April 30, 1986 for the Ralph Roske Oral History Project on Early Las Vegas. Tomiyasu discuses life, changes, and politics in Las Vegas, Nevada. Tomiyasu also talks about the organizations he was a part of, including The Southern Nevada Landscaping Contractors Association, and The Southern Nevada Urban League. The interview concludes with Tomiyasu recalling the above ground atomic test, and World War II.

Oral history interview with Steve Riback conducted by Barbara Tabach on December 12, 2017 for the Southern Nevada Jewish Heritage Project. Steve Riback is a detective sergeant for the Las Vegas Metropolitan Police Department. He has been with the police force for nearly twenty years. He reflects on his overwhelming pride of the police on October 1, 2017. Riback recalls what he heard on his police radio, seeing the rush of police cars being dispatched, and watching a body camera video later. Sgt. Riback’s squad was assigned to Spring Valley Hospital where they worked tirelessly to identify victims, both injured and deceased. His reflections stir the image of medical professionals and police officers urgently fusing together to handle the situation at hand. Riback shares a myriad of emotions, and talks about the options available for officers to deal with their personal trauma.

Oral history interview with Michael Tell conducted by Barbara Tabach on January 06, 2018 for the Southern Nevada Jewish Heritage Project. Tell discusses growing up around anti-Semitism in Las Vegas, Nevada, the Las Vegas Israelite newspaper, the Twin Lakes Twist Nightclub, and the Chabad Jewish Center.

Oral history interview with Richard Wyman conducted by Kenneth B. Manoff on March 12, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. Wyman discusses working at the Nevada Test Site and his involvement with the University of Nevada, Las Vegas (UNLV) Engineering Department.