How many movies have Bob Cowan and Joyce Wieland collaborated on?

They have worked on 2 movies together! Their first movie together was The Sky Socialist (1968) while their highest rated movie together was ‘Rameau’s Nephew’ by Diderot (Thanx to Dennis Young) by Wilma Schoen (1974). They have not worked together since ‘Rameau’s Nephew’ by Diderot (Thanx to Dennis Young) by Wilma Schoen (1974).