Pat O'Brien was the title character and Ronald Reagan was George Gipp in this film about legendary Notre Dame coach Knute Rockne.
R. Burns, Being Catholic, Being American: The Notre Dame Story, 1842-1934
M. Steele, Knute Rockne: A Portrait of a Notre Dame Legend
R. Robinson, Rockne of Notre Dame: The Making of a Football Legend
Knute Rockne All American