"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.
1978
1968
2004
1932
1973
1906
2005
2020
1928
1997
1899
1969
2010
2003
1935
2007