CLASSIFYING.

THE COLORADO CENTRAL AND THE SOUTH PARK LINE. Sunday River Productions. 7 min., si., b&w, Super 8 mm. Appl. author: Albert G. Hale. © Sunday River Productions, solely owned by Alva Morrison; 20Sep71; MP22226.

COLORS IN NATURE. See

ENVIRONMENTAL AWARENESS.

COLPITTS OSCILLATOR--COMMON BASE. Thomas M. Adams. 4 min., si., color, Super 8 mm. Loop film. © Thomas M. Adams; 1Oct71; MP22108.

COLPITTS OSCILLATOR--COMMON EMITTER. Thomas M. Adams. 4 min., si., color, Super 8 mm. Loop film. © Thomas M. Adams; 1Oct71; MP22109.

COLTS BOUNCE. See

[GILLETTE CO. TELEVISION COMMERCIALS]

COLUMBUS DAY. See

HOLIDAYS.