Filtering by: Source Collection sir george hubert wilkins papers Remove constraint Source Collection: sir george hubert wilkins papers File Format video/mp4 Remove constraint File Format: video/mp4 File Format video/x-msvideo Remove constraint File Format: video/x-msvideo Sub collection sim series 5: films/sound recordings Remove constraint Sub collection sim: series 5: films/sound recordings Time Period (Topic) 1920s (1920-1929) Remove constraint Time Period (Topic): 1920s (1920-1929)