Cleveland Browns, American Football Database
Cleveland Browns' 100 best all-time players: No. 1, Otto Graham (video)
Cleveland Browns' 100 best all-time players: No. 91 -- Brian Brennan (video)
History of the Chicago Bears - Wikipedia
Chicago Bears boast some of NFL's all-time characters
NFL 100: Best players in Cleveland Browns history
1952 NFL Championship Game
History of the Chicago Bears - Wikipedia
Pro Football Journal: 1952 CLEVELAND BROWNS: Complain About The Present, And Blame It On The Past
Ryan Pace: GM's 30 most significant moments with Chicago Bears
History of the Chicago Bears - Wikipedia