How many movies have František A. Dvořák and Otomar Krejča collaborated on?

They have worked on 3 movies together! Their first movie together was Pan Habětín odchází (1949) while their highest rated movie together was Vstanou noví bojovníci (1951). They have not worked together since Délka polibku devadesát (1965). They are most known for their drama films together.