| Animal life |
1932 |
Harvard Film Service |
10 min |
16mm |
|
Sound |
| HOME NURSING |
1941 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| LEAVES |
1936 |
Encyclopaedia Britannica Films Inc |
11 min |
16mm |
|
Sound |
| LEAVES. |
1936 |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| PLANT GROWTH |
1931 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| PLANT TRAPS |
1931 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| Posture and Exercise |
1941 |
Erpi Classroom Films, Inc.; Encyclopedia Britannica |
0:11:06 |
16mm |
B&W |
sound |
| REACTIONS IN PLANTS AND ANIMALS |
1931 |
Harvard Film Service |
11 min |
16mm |
|
Sound |
| The Eyes And Their Care |
1941 |
Encyclopedia Britannica Films |
1 reel |
16mm |
B&W |
sound |
| THE HOUSE-FLY. |
1936 |
Erpi Picture Consultants Inc. |
|
|
|
|