Besides just about anything with John Wayne, Clint Eastwood, or Humphrey Bogart, I'll list a favorite from each decade from the 30s through the 60s...
Mr. Smith Goes To Washington (1939)
His Girl Friday (1942)
Vertigo (1958)
Lawrence of Arabia (1962)
Mr. Smith Goes To Washington (1939)
His Girl Friday (1942)
Vertigo (1958)
Lawrence of Arabia (1962)