This Day in Twins History - January 16, 1975
Official Minnesota Twins Website
Pastime Portraiture: Harmon Killebrew – Behind the Bag
Five Home Runs In One Inning Has Hitters Seeing Reds - Baseball Roundtable
This Day in Twins History - July 11, 1965 - Killebrew walks off Yankees
1960 Topps #210 Harmon Killebrew - TonyeTrade
Harmon Killebrew Trading Cards: Values, Tracking & Hot Deals
Harmon killebrew hi-res stock photography and images - Alamy
Minnesota Twins
Harmon Killebrew Baseball Stats by Baseball Almanac
Washington Senators Move to Los Angeles in 1957