July 11, 1965: Harmon Killebrew clouts walkoff home run to beat Yankees – Society for American Baseball Research
Hall of Famer Harmon Killebrew, 74, dies of cancer
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On this date in Twins history, Harmon Killebrew hit a 520 foot home run!, By Minnesota Twins
TSN Archives: Harmon Killebrew named A.L. Player of Year (Oct. 25, 1969)
Harmon Killebrew Hits His 500th Career Home Run
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thesis — BallParchitecture
PSA MAGAZINE: 2022 November #011 by PSA Magazine - Issuu
June 3, 1967, Killebrew hits a 520-foot homer
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