Hammel, Bob; Klingelhoffer, Kit (1999). "Elmer Wilkens Man Of History". Glory of Old IU, Indiana University. Sports Pub. p. 51. ISBN9781582610689. Archived from the original on August 21, 2023. Retrieved August 18, 2023.{{cite book}}: CS1 maint: multiple names: authors list (link)
Hammel, Bob; Klingelhoffer, Kit (1999). "Elmer Wilkens Man Of History". Glory of Old IU, Indiana University. Sports Pub. p. 51. ISBN9781582610689. Archived from the original on August 21, 2023. Retrieved August 18, 2023.{{cite book}}: CS1 maint: multiple names: authors list (link)