| 1932 |
Pond insects. |
Electrical Research Products Inc. |
1 reel |
16mm |
|
sound |
| 1932 |
Xth OLYMPIAD TRACK EVENTS, JULY 31 THRU AUGUST 7, 1932. |
Electrical Research Products Inc. |
2 reels |
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| 1931 |
BEETLES |
Electrical Research Products Inc. |
1 reel |
16mm |
|
sound |
| 1931 |
BENEDICTION. |
Electrical Research Products Inc. |
3 reels |
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| 1931 |
Butterflies. |
Electrical Research Products Inc. |
1 reel |
16mm |
|
sound |
| 1931 |
CATHOLIC EDUCATION. |
Electrical Research Products Inc. |
1 reel |
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| 1931 |
Choosing your vocation. |
Electrical Research Products Inc. |
1 reel |
16mm |
|
sound |
| 1931 |
Dodder |
Electrical Research Products Inc.; Encyclopaedia Britannica Films Inc |
1 reel |
16mm |
B&W |
sound |
| 1931 |
DYNAMIC LEARNING. |
Electrical Research Products Inc. |
2 reels |
16mm |
|
sound |
| 1931 |
GUIDANCE IN PUBLIC SCHOOLS. |
Electrical Research Products Inc. |
2 reels |
16mm |
B&W |
Sound |
| 1931 |
INDIVIDUAL DIFFERENCES IN ARITHMETIC. |
Electrical Research Products Inc. |
2 reels |
16mm |
|
Sound |
| 1931 |
MAKE BUYING PLEASANT. |
Electrical Research Products Inc. |
1 reel |
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| 1931 |
Moths. |
Electrical Research Products Inc. |
1 reel |
16mm |
|
sound |
| 1931 |
PLANT GROWTH. |
Electrical Research Products Inc. |
1 reel |
16mm |
|
sound |
| 1931 |
PLANT TRAPS. |
Electrical Research Products Inc. |
1 reel |
16mm |
|
sound |
| 1931 |
PRIMARY TEACHER AT WORK. |
Electrical Research Products Inc. |
2 reels |
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| 1931 |
THE CREATIVE APPROACH TO EDUCATION. |
Electrical Research Products Inc. |
2 reels |
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| 1931 |
THE ELEMENTARY TEACHER AS A GUIDE. |
Electrical Research Products Inc. |
2 reels |
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| 1931 |
THE PLAY OF IMAGINATION IN GEOMETRY. |
Electrical Research Products Inc. |
1 reel |
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| 1931 |
THE TEACHING OF READING. |
Electrical Research Products Inc. |
2 reels |
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| 1930 |
A FEW TESTS OF CHILD INTELLIGENCE. |
Electrical Research Products Inc. |
1 reel |
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| 1930 |
CHILD GROWTH; a Series of Demonstration Tests. |
Electrical Research Products Inc. |
2 reels |
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| 1930 |
OLD TRUTHS IN NEW GARMENTS. |
Electrical Research Products Inc. |
3 reels |
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| 1930 |
The study of infant behavior. |
Electrical Research Products Inc. |
2 reels |
16mm |
B&W |
sound |