PERIODICALS AND HOW TO USE THEM. See
USING TODAY’S LIBRARY.
THE PERMEABILITY OF PLANT CELL MEMBRANES. Iowa State University. 2 min., si., color, 16 mm. © Iowa State University a.a.d.o. Iowa State University of Science & Technology; 12Mar69; MP23212.
PERPETUATING LIFE. See
LIFE: A UNIQUE PHENOMENON.
PERSONAL HEALTH FOR GIRLS. Coronet Instructional Films. 13 min., sd., color, 16 mm. 2d ed. © Coronet Instructional Films, a division of Esquire, Inc.; 6Apr72; MP23278.
PERSONAL SAFETY AND DEFENSE FOR WOMEN. See
NOBODY’S VICTIM.
PESTICIDES AND RADIOACTIVE WASTES. See
POLLUTION.