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. Clark then talks about the first hotels and casinos that were built on the Las Vegas Strip and the mob's influence over those hotels.

Oral history interview with Rosemary Cleman (Conner) conducted by Beatrice Owens (Gillard) on March 8, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. Conner discusses moving to Las Vegas, Nevada to become a teacher for emotionally disturbed children and assisting with the creation of the Nevada Girls Training Center. Conner also discusses the segregation of the African American community. The interview concludes with Conner discussing the reemergence of mining communities in Nevada and her close interaction with Nevada governors during her career in social services.

Oral history interview with Jinx Cochrell conducted by Delroy Shigematsu on March 20, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. Cochrell discusses the United States Navy, airports, Howard Hughes, the entertainment industry, Mount Charleston, Boulder (Hoover) Dam, her career as a secretary at the University of Nevada, Las Vegas, and the mob.

Oral history interview with Junior Craig conducted by Donald E. Bodkin on February 15, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Craig discusses bringing trucks in from Los Angeles, California to work on the building of the Davis Dam. Craig recalls being an active member of the member of the civil defense in Clark County, Nevada.

Oral history interview with Clark Crocker conducted by Monica Lehman on March 3, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. Crocker discusses his family and educational background as well as his experiences attending school in California and Massachusetts. Crocker then describes the building of the Hoover Dam and his career as a teacher and school principal, as well as his thoughts and philosophies on how curriculum should be structured in schools. Crocker also discusses his work for the fire department in Pahrump, Nevada and his career as a frogman and navigator for the United States Navy during World War II.

Oral history interview with Ruth and Jake Dieleman conducted by James M. Greene on November 15, 1974 for the Ralph Roske Oral History Project. The Dielemans discuss their life in Southern Nevada. Ruth first talks about growing up in Searchlight, Nevada, and her experiences as an educator. Jake discusses immigrating to the United States and working in construction rigging at the Hoover Dam. He also discusses his work in various Las Vegas, Nevada casinos and in the state legislature.

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.