Oral history interview with Dr. Joseph Rojas conducted by Suzanne Lubritz on February 25, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Rojas describes his career as a gynecologist in Las Vegas, Nevada after being stationed at Nellis Air Force Base as chief of OBGYN during his time enlisted in the U.S. Air Force. Rojas also discusses how health care and medicine has evolved in Las Vegas, and Nevada as a whole.

The Jean Olen Papers (1994-2008) document Olen's career as a taxicab driver in Las Vegas, Nevada. Materials include Olen's personal taxicab driver's permit, medical examiner certificate, and other placards found in taxicabs regarding common questions, such as tipping, no smoking, and airport fees. Also included are newspaper clippings about taxicab drivers in Las Vegas, Nevada and four issues of Trip Sheet, a local magazine for taxicab, limousine, trolley, and shuttle drivers, which features letters to the editor written by Olen.

Oral history interview with Geneva Stark Merwin conducted by Elizabeth Nelson Patrick on August 24, 1983 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Merwin discusses her career and experiences as a teacher in Pahrump, Nevada after moving there in 1941. Merwin also discusses some of the people in the town and its layout. Merwin goes on to describe her teaching career in Las Vegas, Nevada after being recommended to the school board by Maude Frazier.