Motion pictures and filmstrips, January-June 1970

by Library of Congress. Copyright Office

WHAT IS A MAMMAL. Troll Associates. 4 min., si., color, Super 8 mm. Loop film. © Troll Associates; 16Jan70; MP20666.

WHAT IS A REPTILE. Troll Associates. 4 min., si., color, Super 8 mm. Loop film. © Troll Associates; 16Jan70; MP20667.

WHAT IS A TREE. Troll Associates. 4 min., si., color, Super 8 mm. Loop film. © Troll Associates; 16Jan70; MP20692.

WHAT IS AN ECOSYSTEM. See

THE ENVIRONMENT OF MAN, AN INTRODUCTION TO ECOLOGY.

WHAT IS AN INSECT? Troll Associates. 4 min., si., color, Super 8 mm. Loop film. © Troll Associates; 16Jan70; MP20779.

WHAT IS AN INVERTEBRATE. Troll Associates. 4 min., si., color, Super 8 mm. Loop film. © Troll Associates; 16Jan70; MP20671.

WHAT IS ECOLOGY. See

THE ENVIRONMENT OF MAN, AN INTRODUCTION TO ECOLOGY.

WHAT IT'S ALL ABOUT? Berven Carpets Corp. 1 reel, color, 16 mm. © Berven Carpets Corp.; 27Jul70; MU8200.