© Metro-Goldwyn-Mayer, Inc.; 5May70; LP41139.

ONCE UPON A RAINBOW. Beautification Board of the City of Birmingham. Made by Metcalfe Productions. 24 min., sd., color, 16 mm.

Credits: Producers, Charlie & Polly Metcalfe; director & writer, Bill Bagwell; narrator, Charles Metcalfe; musical arrangements, Ed Boutwell & Don Moseley; melodies, John McClure; art, Anne H. Arrasmith.

© Beautification Board of the City of Birmingham, Ala.; 18Dec72; LU3640.

ONE ACE TOO MANY. See

BONANZA.

ONE SMALL STEP. See

SCREEN NEWS DIGEST.

ONE WAY TO CHANGE. John Avery Galbraith. 10 min., sd., color, 16 mm. © John Avery Galbraith & F. George Kassebaum; 21Jul72; MP23289.

THE OPEN CLASSROOM: THREE CASE STUDIES. Della Z. Schneiderman. 90 min., sd., Videotape.