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.
1942
1977
1978
1973
1951
1981
1976
1967
1970
—
1968
1975
1941
1974
1980
1959