J Frederic Dewhurst Twentieth Century Fund. Encyclopaedia Britannica Films inc.
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Filmography in the catalog
Credited on 1 film (1949) — matched by name in the Creator or Credits field.
| Year ▲ | Title | Creator | Length | Format | Color | Sound |
|---|---|---|---|---|---|---|
| 1949 | Productivity - Key To Plenty | J Frederic Dewhurst Twentieth Century Fund. Encyclopaedia Britannica Films inc. | 20 min. | 16mm | B&W | sound |