| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 26 |
 |
Orange A. Olsen audio-visual collection, film 40: Clips of an Aerial Census | 1936 | Image/MovingImage | uum_hmc |
| 27 |
 |
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 | uum_hmc |