How many movies have Aku Korhonen and Erkki Salojärvi collaborated on?

They have worked on 9 movies together! Their first movie together was Olenko minä tullut haaremiin (1938) while their highest rated movie together was Pikku pelimanni (1939). They have not worked together since Kirkastuva sävel (1946). They are most known for their comedy films together.