Motion pictures and filmstrips, January-June 1971

by Library of Congress. Copyright Office

DEATH VALLEY DAYS.

THE BIGGEST RECTANGLE. General Learning Corp. Distributed by Silver Burdett Co., a division of General Learning Corp. Made by Davidson Films. 10 min., sd., color, 16 mm. (Elementary mathematics for teachers and students) Presented in cooperation with National Council of Teachers of Mathematics. Appl. author: General Learning Corp., employer for hire. © General Learning Corp.; 5Aug70; MP21090

BINDING. See

HOW A BOOK IS MADE.

BIOCHEMICAL TESTS. Thorne Films. 4 min., si., color, Super 8 mm. Loop film. © Thorne Films, Inc.; 1Dec70; MP21428.

BIOCHEMISTRY OF DNA. See

INTRODUCTION TO BIOLOGICAL CONCEPTS.

BIRDS, BEES AND ROMANS. See

TO ROME WITH LOVE.

THE BIRTH OF A PIG. AS-7. Pace Productions. 4 min., si., color, Super 8 mm Loop film. © Pace Productions, Inc.; 30Dec70; MP21170.