How many movies have Mary Shelley and Russell A. Gausman collaborated on?

They have worked on 6 movies together! Their first movie together was Son of Frankenstein (1939) while their highest rated movie together was Bud Abbott and Lou Costello Meet Frankenstein (1948). They have not worked together since Bud Abbott and Lou Costello Meet Frankenstein (1948). They are most known for their horror films together.