How many movies have Lev Kuleshov and S. Sletov collaborated on?

They have worked on 3 movies together! Their first movie together was The Extraordinary Adventures of Mr. West in the Land of the Bolsheviks (1924) while their highest rated movie together was Two-Buldi-Two (1929). They have not worked together since The Great Consoler (1933). They are most known for their drama films together.