| Dodder |
1931 |
Electrical Research Products Inc.; Encyclopaedia Britannica Films Inc |
1 reel |
16mm |
|
sound |
| Flowers at Work |
1931 |
Encyclopaedia Britannica Educ Corp |
11 |
16mm |
B&W |
sound |
| FUNGUS PLANTS |
1931 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| GARDENING |
1940 |
Encyclopaedia Britannica Films Inc |
11 min |
16mm |
|
Sound |
| ROOTS OF PLANTS |
1931 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| Seed dispersal |
1931 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |