Oral history interview with Howard Heckethorn conducted by Richard Eitland on February 15, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. Mr. Heckethorn describes going to school in the early days of Las Vegas, Nevada. He also talks about many notable teachers he had, as well as the development of the Las Vegas area. Heckethorn also discusses his arrival to Las Vegas, Nevada in 1930, and recalls the Old Mormon Fort, El Rancho, The Last Frontier, and the tourism that gambling brought to the city. Heckethorn discusses the 1960s, and the impact Howard Hughes had in the development of hotels and casinos.

Oral history interview with Howard Warner conducted by Virginia Lacouture on July 04, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Warner discusses arriving to Las Vegas, Nevada as a special agent with the intelligence division of the United States Department of the Treasury. Warner then describes the expansion of businesses as the population increased in Las Vegas.

The Dr. Howard Zellhoefer Collection of Artwork contains three paintings collected by Dr. Howard William Zellhoefer. Two paintings are by K. Nakamine of landscapes in Okinawa, Japan from 1949, and the third painting is a 1962 Ferdinand Burgdorffof a desert landscape, possibly Mojave Desert, California.