Northwestern University - Wikipedia
Throwback: The truth about George Halas and the NFL's ban on black
Compilation of Resources for Reframed Social Studies Curriculum
Bears don't hide from history, discuss 1936 segregation-era jerseys
Pro Football Journal: Bears Throwback to 1936
Inspiration Archives - Alabama Chanin
It Can't Happen Here (Signet Classics) - Kindle edition by Lewis
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