Filtering by: File Format video/mp4 Remove constraint File Format: video/mp4 Resource Type moving image Remove constraint Resource Type: moving image Subject byrd, richard evelyn, 1888-1957 Remove constraint Subject: byrd, richard evelyn, 1888-1957 Time Period (Topic) 1930s (1930-1939) Remove constraint Time Period (Topic): 1930s (1930-1939)