"The Einstein Theory of Relativity" is the short version (587 m) of the lost American long version (1219 m) of Hanns Walter Kornblum's original German feature "Die Grundlagen der Einsteinschen Relativitäts-Theorie" from 1922 that is also lost.
1928
1927
1944
1946
1943
2014
2007
1979
2009
1990
2006
1957
2017
1982
2008
1891
1989
1988