Filtering by: Digital Collection Sir George Hubert Wilkins Papers Remove constraint Digital Collection: Sir George Hubert Wilkins Papers Resource Type moving image Remove constraint Resource Type: moving image Subject scientific expeditions Remove constraint Subject: scientific expeditions Subject icebreakers (ships) Remove constraint Subject: icebreakers (ships) Time Period (Topic) 1930s (1930-1939) Remove constraint Time Period (Topic): 1930s (1930-1939)