| 1930 |
Water Power |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
B&W |
silent |
| 1933 |
Animals of the zoo. |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
|
sound |
| 1934 |
Posture and locomotion. |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
|
sound |
| 1934 |
THE GROWTH OF INFANT BEHAVIOR, EARLY STAGES. |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1934 |
THE GROWTH OF INFANT BEHAVIOR, LATER STAGES. |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1935 |
A BABY'S DAY AT FORTY-EIGHT WEEKS. (Yale Films of Child Development) |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1935 |
A BABY'S DAY AT TWELVE WEEKS. (Yale Films of Child Development) |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1935 |
A THIRTY-SIX WEEKS BEHAVIOR DAY. (Yale Films of Child Development) |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1935 |
BEHAVIOR PATTERNS AT ONE YEAR. (Yale Films of Child Development) |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1935 |
EARLY SOCIAL BEHAVIOR. (Yale Films of Child Development) |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1935 |
Ground water. |
Erpi Picture Consultants Inc. |
3:50 |
16mm |
B&W |
sound |
| 1935 |
LEARNING AND GROWTH. (Yale Films of Child Development) |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1935 |
Mountain building. |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
|
sound |
| 1935 |
THE WORK OF RIVERS; Stream Graduation. |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1935 |
THE WORK OF THE ATMOSPHERE; Atmospheric Gradation. |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1936 |
LEAVES. |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1936 |
Overcoming Limitations to Learning (1936) |
Erpi Picture Consultants Inc. |
2 reels |
16mm |
|
sound |
| 1936 |
THE HOUSE-FLY. |
Erpi Picture Consultants Inc. |
|
|
|
|
| 1937 |
A BACKWARD CIVILIZATION. |
Erpi Picture Consultants Inc. (Ellsworth T. Huntington) |
2 reels |
16mm |
B&W |
Sound |
| 1937 |
ANIMALS IN MODERN LIFE. |
Erpi Picture Consultants Inc. |
1 reel |
|
|
|
| 1937 |
Body defenses against disease. |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
|
sound |
| 1937 |
Electrochemistry. |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
|
sound |
| 1937 |
Heart And Circulation |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
B&W |
sound |
| 1937 |
LIGHT WAVES AND THEIR USES |
Erpi Picture Consultants Inc. |
10 min |
16mm |
|
Sound |
| 1937 |
The nervous system. |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
|
sound |
| 1938 |
Colloids. |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
B&W |
sound |
| 1938 |
Velocity of chemical reactions |
Erpi Picture Consultants Inc.; Encyclopaedia Britannica Films Inc |
10 min |
16mm |
B&W |
sound |
| 1958 |
Development Of Transportation, The |
Erpi Picture Consultants Inc. |
|
16mm |
|
sound |