Analysis of information sources in references of the Wikipedia article "Doctor Neighbor" in English language version.
written by Carl Laemmle
Every Monday there is released a Red Feather Photo Play
75 percent of all American silent films are gone, and 50 percent of all films made before 1950 are lost; such figures, as archivists admit in private, were thought up on the spur of the moment, without statistical information to back them up.
Movies have documented America for more than one hundred years
Thanhouser Company, Thanhouser Films: An Encyclopedia and History Version 2.1 by Q. David Bowers, Volume III: Biographies