Good comparison with 'The Gunfighter' - Gregory Peck
Just had a thought - compare 'The Shootist' with 'The Gunfighter': - both are aging gunmen who have outlived their time. Peck's character (Ringo?) is in town to see his wife and child. Wayne's one (Books) is there to die. Both die in a saloon.
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A wide screen just makes a bad film twice as bad - Sam Goldwyn