My top 25 as of this moment. I'm sure it will change by the time I finish clicking the button to post.
Destry Rides Again, 1939
Stagecoach, 1939
The Ox-Bow Incident, 1943
My Darling Clementine, 1946
Angel and the Badman, 1947
Red River, 1948
The Treasure of Sierra Madre, 1948
The Gunfighter...