Title | Date | Type | ||
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1 |
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Orange A. Olsen audio-visual collection, film 40: Clips of an Aerial Census | 1936 | Image/MovingImage |
2 |
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Orange A. Olsen audio-visual collection, film 41: Clips of an Aerial Census and Footage of the Plane that was used | 1939; 1940 | Image/MovingImage |