THE INVITATION: WHAT WOULD YOU DO? & THE PLAN: WHAT WOULD YOU DO.

PLANNING UNLOCKS THE DOOR. Macoy Pub. & Masonic Supply Co. Made by Imagination Unlimited. 25 min., sd., color, 16 mm. Based on Key to Freemasonry's growth. © Macoy Pub. & Masonic Supply Co., Inc.; 1Oct72; MP23494.

PLANT NUTRITION. Pt. 1: Elements of growth. Harper & Row, Publishers. 1 reel, si., color, Super 8 mm. Loop film. © Harper & Row, Publishers, Inc.; 1Oct70; MP23862.

PLANT NUTRITION. Pt. 2: Pollution and nutrition. Harper & Row, Publishers. 1 reel, si., color, Super 8 mm. Loop film. © Harper & Row, Publishers, Inc.; 1Oct70; MP23863.

PLAQUE. Greater Cleveland Associated Foundation. 10 sec., sd., color, 16 mm. © Greater Cleveland Associated Foundation; 20Oct71 (in notice: 1972); LP41491.

PLASTERING BUREAU FIRE FILM. Plastering Industry Promotion Bureau. 23 min., si., color, 16 mm. © Plastering Industry Promotion Bureau; 20Feb73; MU8515.

PLATEAU FARMERS IN FRANCE. Public Media. Distributed by Films, Inc. 15 min., sd., color, 16 mm. (Man and his world) © Public Media, Inc.; 28May69; MP24073.

PLYMOUTH, FORD & CHEVY WAGON COMPARISON. Chrysler Corp. Made by Ross Roy, Inc. 19 min., sd., color, Super 8 mm. © Chrysler Corp.; 9Mar73; MP23925.

POETRY—SO MANY KINDS! Coronet Instructional Films. 14 min., sd., b&w, 16 mm. © Coronet Instructional Films, a division of Esquire, Inc.; 22Sep72; MP24017.

POKEY, THE SNAIL. Coronet Instructional Materials. 15 min., sd., color, 16 mm. © Coronet Instructional Materials, a division of Esquire, Inc.; 19Dec72 (in notice: 1973); MP23679.