DESERT PLANTS AND ANIMALS (Filmstrip) No. 200. Popular Science Audio-Visuals. 45 fr., color, 35 mm. (A science release) With Filmstrip guide, 5 p. © Popular Science Audio-Visuals, Inc.; 1Sep69; A196139.

DETERMINANTS BY MINORS (Filmstrip) Mt. San Jacinto College. 33 fr., color, 35 mm. Planned & written by Victor Burgard. © Mt. San Jacinto College a.a.d.o. Mt. San Jacinto Junior College District (in notice: Mt. San Jacinto College); 1Jan69; A163014.

DETERMINATION OF THE FORMULA OF A COMPOUND. Dept. of Chemistry, Ohio State University. 16 min., sd., color, Super 8 mm. (Experimental general chemistry) Appl. authors: W. T. Lippincott, W. Robert Barnard & Richard T. Yingling. © Ohio State University, Dept. of Chemistry (in notice: Ohio State University); 18Sep70; MP20962.

DEUX ANS EN VACANCE. See

STRANGE HOLIDAY.

DEVELOPING A GOOD VOCABULARY. See

[VOCABULARY BUILDING]

DEVELOPING GOOD WORK AND STUDY HABITS. See

FOLLOWING DIRECTIONS.

HOW TO STUDY.