Most thriller movie continuity mistakes of 1972

1The Godfather pictureThe Godfather (1972)37
2The Last House on the Left pictureThe Last House on the Left (1972)19
3The Poseidon Adventure pictureThe Poseidon Adventure (1972)7
4Deliverance pictureDeliverance (1972)7
5Frenzy pictureFrenzy (1972)3
6Sleuth pictureSleuth (1972)2
7Sitting Target pictureSitting Target (1972)1
8They Only Kill Their Masters pictureThey Only Kill Their Masters (1972)1
9Blacula pictureBlacula (1972)1
10Return of the Dragon pictureReturn of the Dragon (1972)1
11Horror Express pictureHorror Express (1972)1