The Hank Harrison Photograph Collection on Helldorado Days contains two black-and-white photographs of the Helldorado Days festival in Las Vegas, Nevada from approximately 1940 to 1977. The first photograph depicts a rodeo clown distracting a bull; the second photograph is of Ned Romero, an actor in Helldorado.

Oral history interview with Mamie Buettner conducted by Gertrude Anne Moore on February 21, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. During the interview Buettner discusses the history of Las Vegas, Nevada and offers insight into the day-to-day life of a Las Vegas old timer.

Oral history interview with Earl and Gloria Alger conducted by Claytee White on October 29, 2009 for the Boyer Early Las Vegas Oral History Project. Earl and Gloria Alger discuss how they met at the Mormon Church and lived in Las Vegas, Nevada their entire lives. Gloria's great-grandfather Torrel Lewis was one of the original pioneers from Salt Lake City, so they talk of pioneer days in Las Vegas.