Cliff Keen, From Oklahoma State Roots to Michigan Legend

The National Wrestling Hall Of Fame

Trackwrestling Division I Wrestling Rankings Presented by Resilite

Oklahoma State Takes Down No. 6 Michigan at Bout at the Ballpark

The Keens: First family of Michigan wrestling

Leaving the Grace of This World

Cliff Keen (1980) - University of Michigan Hall of Honor

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News – Cliff Keen Wrestling Club

Wrestling roundup: Grappler Fall Classic & Journeymen Tournament

Oklahoma State Cowboys wrestling - Wikipedia

Indiana is beating Michigan by attracting people, not just

True Crime Archives - The Atavist Magazine

Leaving the Grace of This World

Michigan wrestling: Keen's impact still felt 90 years later