Search Constraints
Filtering by:
Source Collection
sir george hubert wilkins papers
Remove constraint Source Collection: sir george hubert wilkins papers
File Format
video/x-msvideo
Remove constraint File Format: video/x-msvideo
Resource Type
moving image
Remove constraint Resource Type: moving image
Subject
icebreakers (ships)
Remove constraint Subject: icebreakers (ships)
Subject
ellsworth, lincoln, 1880-1951
Remove constraint Subject: ellsworth, lincoln, 1880-1951
Subject
discovery and exploration
Remove constraint Subject: discovery and exploration
Time Period (Topic)
1930s (1930-1939)
Remove constraint Time Period (Topic): 1930s (1930-1939)