Motion pictures, January-June 1973

by Library of Congress. Copyright Office

Portrait of an election, 1972. A Rocinante production. 61 min., sd., color, 16 mm. (An Artist's report) Appl. au.: Franklin McMahon. © Franklin McMahon; 19Jan73; MP24484.

MP24485.

What are ecological systems? Troll Associates. Made by the Lunaflick Company, Ltd. 4 min., si., color, Super 8 mm., in cartridge. © Troll Associates; 18Apr73; MP24485.

MP24486.

What is a food chain? Troll Associates. Made by the Lunaflick Company, Ltd. 4 min., si., color, Super 8 mm., in cartridge. © Troll Associates; 18Apr73; MP24486.

MP24487.

What is a balanced ecological system? Troll Associates. Made by the Lunaflick Company, Ltd. 4 min., si., color, Super 8 mm., in cartridge. © Troll Associates; 18Apr73; MP24487.

MP24488.

What causes ecological change? Troll Associates. Made by the Lunaflick Company, Ltd. 4 min., si., color, Super 8 mm., in cartridge. © Troll Associates; 18Apr73; MP24488.

MP24489.