Filtering by: File Format video/mp4 Remove constraint File Format: video/mp4 File Format video/x-msvideo Remove constraint File Format: video/x-msvideo Resource Type moving image Remove constraint Resource Type: moving image Subject shipment of goods Remove constraint Subject: shipment of goods Time Period (Topic) 1930s (1930-1939) Remove constraint Time Period (Topic): 1930s (1930-1939) Time Period (Topic) 1920s (1920-1929) Remove constraint Time Period (Topic): 1920s (1920-1929)