1976 video clip of M King Hubbert speaking about world oil depletion and explaining the concept of peak oil.
Health Facilities and the Energy Crisis: A Conversation with M. King Hubbert. Videocassette. Chicago: American Hospital Association, 1976. Available at Southwest Minnesota State University library, Media VT98. Available also at National Library of Medicine, Bethesda, Maryland, General Collection, WX 165 VC no. 6 1976.