Filtering by: File Format image/tiff Remove constraint File Format: image/tiff Language eng Remove constraint Language: eng Sub collection sim series 1: artifacts, 1933-circa 1963 Remove constraint Sub collection sim: series 1: artifacts, 1933-circa 1963 Subject united states antarctic service expedition (1939-1941) Remove constraint Subject: united states antarctic service expedition (1939-1941) Time Period (Topic) 1930s (1930-1939) Remove constraint Time Period (Topic): 1930s (1930-1939)