How many movies have Bert Kalmar and Zeppo Marx collaborated on?

They have worked on 3 movies together! Their first movie together was Animal Crackers (1930) while their highest rated movie together was Duck Soup (1933). They have not worked together since Duck Soup (1933). They are most known for their comedy films together.

Crew
Music
Role
Bob Roland
Crew
Story
Crew
Lyricist
Crew
Writer
Crew
Screenplay
Role
Frank Wagstaff
Crew
Original Music Composer
Crew
Lyricist