Oral history interview with Helen M. Clark conducted by Danny Winegar on March 05, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview Helen Clark speaks about her family's move to Las Vegas, Nevada and working as a secretary. She then discusses the beginning of tract home building, gambling, and the building of the Hoover Dam. She also mentions life during the Great Depression, prostitution in Block 16, and the Helldorado celebration.

Oral history interview with Georgie Clark conducted by Steven E. Pilgram on March 02, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview Georgie Clark discusses the Colorado River area, its changes, and its new rules and regulations as of March 02, 1980. She also discusses working as a real estate agent and as ferry command civil servant in World War II.

Oral history interview with Dominic Clark conducted by Larry Hutchinson on October 09, 1973 for the Ralph Roske Oral History Project on Early Las Vegas. Clark briefly discusses his church activity, his political activity, and some geographic and social changes in Las Vegas, Nevada.

Oral history interview with Betty Joyce Clark conducted by Steven Knowles on February 16, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Betty Clark discusses her places of residence, the schools she attended, and some of the businesses she remembers from when she first moved to Las Vegas, Nevada. She also discusses bus transportation, the first hospitals in town, and the early development of the Las Vegas Strip.

Oral history interview with Carl Ciliax conducted by Gary Wood on March 08, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. Ciliax first describes his family history, and his early interests in wildlife. Ciliax then discusses his early experiences in hunting and his eventual interest in conservationism and preservation.

Oral history interview with Betty and Gus Ciliax conducted by Connie Boich on March 2, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. This interview covers Southern Nevada and early development of the area. During the interview, they discussed local recreation, prostitution, Block 16, and various social activities. Additionally, they discussed how the economy changed with the construction of Boulder (Hoover) Dam and Nellis Air Force Base.

Oral history interview with George Cichoski conducted by Tracey Bradley on March 15, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Cichoski discusses, the roles and functions of the Cumorah Credit Union, the development of the credit union, the effects of the transition from federal to state charters and those advantages, and the overall function of a credit union.

Oral history interview with Fermin De Leon conducted by Generoso E. Sayon on March 15, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. De Leon speaks about the Filipino experience in Las Vegas, Nevada, during the 1950s. De Leon also discusses being a veteran who served in World War II. De Leon also recalls how a majority of Filipinos living in Las Vegas worked as kitchen help in the hotels in the Las Vegas Strip area.

Oral history interview with Gordon Christie conducted by Larry DuRussel on June 30, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview Christie discusses working on the building of the MGM Grand Hotel, Fremont Hotel, Sahara Hotel, Desert Inn Hotel, and the Frontier Hotel. He also discusses religion, politics, family life in Las Vegas, Nevada, and the growth of Las Vegas.

Oral history interview with Norman Christiansen conducted by James Courtney on November 28, 1986 for the Ralph Roske Oral History Project on Early Las Vegas. Christiansen describes his family, and background before moving to Las Vegas, Nevada in 1956 from Montana. Christiansen then talks about working at the Nevada Test Site and about his career as a teacher. He speaks about the various changes he has noticed over the years in Las Vegas, including those in climate, pollution, economy, occupation, and standard of living.