Harmon Killebrew hitting his 500th home run
May 4, 1975: Twins retire Harmon Killebrew's number before beating Royals – Society for American Baseball Research
Harmon Killebrew Home Run Reel, Over the span of his Twins career, Harmon Killebrew mashed a franchise-leading 559 home runs!, By Minnesota Twins Highlights
The 1967 AL Pennant Race - Part 10 - Killebrew goes deep, REAL DEEP!
Harmon Killebrew – The Twins Almanac
Hall of Famer Harmon Killebrew, 74, dies of cancer
Harmon Killebrew Home Run Reel, Over the span of his Twins career, Harmon Killebrew mashed a franchise-leading 559 home runs!, By Minnesota Twins Highlights
June 3, 1967, Killebrew hits a 520-foot homer
A historical look at Twins players & their strike outs
Hall of Famer Harmon Killebrew, 74, dies of cancer
Harmon Killebrew – The Twins Almanac