Jim Northrup Baseball Stats by Baseball Almanac
Jim Northrup – Society for American Baseball Research
Detroit Tigers: Most Up-to-Date Encyclopedia, News & Reviews
Jim Northrup
Jim Northrup Baseball Cards
1966 Topps Baseball Cards Checklist, Set Info, Key Cards, More
Kaline Baseball
1966 Topps Baseball Cards Checklist, Set Info, Key Cards, More
CardCorner: 1973 Topps Bill Freehan
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Baseball - Topps 1950s Run - Master: Secretariat Set Image Gallery
CardCorner: 1973 Topps Bill Freehan
Baseball - Topps 1950s Run - Master: Secretariat Set Image Gallery
Topps 1971: February 2015