| DIGESTION OF FOODS. |
1938 |
ERPI Classroom Films Inc. |
1 reel |
16mm |
B&W |
sound |
| FIRST AID FOR WOUNDS AND FRACTURES |
1941 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| Food And Nutrition |
1940 |
Encyclopedia Britannica Films |
|
16mm |
|
sound |
| The work of the kidneys. ▶ |
|
Encyclopaedia Britannica Films Inc. |
375 |
16mm |
B&W |
sound |