"College Football: history, spectacle, controversy", Johns Hopkins University Press, 2000 ISBN 0-8018-7114-X* Wheeler, Robert W. "Jim Thorpe, World's Greatest Athlete", University of Oklahoma Press.
"College Football: history, spectacle, controversy", Johns Hopkins University Press, 2000 ISBN 0-8018-7114-X* Wheeler, Robert W. "Jim Thorpe, World's Greatest Athlete", University of Oklahoma Press.