How many movies have Artturi Järviluoma and Olavi Suominen collaborated on?

They have worked on 4 movies together! Their first movie together was Meidän poikamme ilmassa – me maassa (1934) while their highest rated movie together was Roinilan talossa (1935). They have not worked together since Pohjalaisia (1936). They are most known for their drama films together.