James Thomas (Jim) Northrup - Michigan Sports Hall of Fame
Jim Northrup Awards by Baseball Almanac
MSHOF Inductees - Michigan Sports Hall of Fame
Jim Northrup Obituary (2011) - Flint, MI - Flint Journal
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Hall of Fame - Induction Classes - The Hill School
Remembering Jim Northrup: Outspoken leader on '68 Tigers - Vintage Detroit Collection
The most famous athlete from each of Michigan's 83 counties
Jim Northrup, Detroit Tigers Outfielder, Dies at 71 - The New York Times
Jim Northrup Stats, Fantasy & News
Gates Brown – Society for American Baseball Research