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.
1950
1972
1957
1987
1964
1977
1991
1993
1978
1970
1949
1941
1952
1953
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1935
1962
1933