No montage, no human subjects, minimal visual content, and the artists basically pissing on the fourth wall by calling attention in every way possible to the artifice of what they’re doing. Preserved by the Academy Film Archive in 2009.
1966
1977
1967
1956
1986
1973
1975
1970
1976
1971
1980
1974
1968
1944
1948
1941