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.
1943
1962
2001
1982
1976
1948
1947
1973
1968
1987
1951
1960
1983
1996
1946
1953
1965
1941