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The Library of Congress began collecting motion pictures in 1893 when Thomas Edison and his brilliant assistant W.K.L. Dickson deposited the Edison Kinetoscopic Records for copyright. However, because of the difficulty of safely storing the flammable nitrate film used at the time, the Library retained only the descriptive material relating to motion pictures. In 1942, recognizing the importance of motion pictures and the need to preserve them as a historical record, the Library began the collection of the films themselves; from 1949 on these included films made for television. Today the Motion Picture, Broadcasting and Recorded Sound Division (MBRS) is responsibile for the acquisition, cataloging and preservation of the Library's motion picture and television collections. The Moving Image Research Center to provides access and information services to an international community of film and television professionals, archivists, scholars and researchers. Our holdings complement the audio recordings served in the Recorded Sound Research Center.