ORIENTATION TO THE URBAN PUBLIC SCHOOLS. See
INNER-CITY SIMULATION LABORATORY.
OSCAR'S MOVING DAY. Terrytoons. 5 min., sd., b&w, 16 mm. © Terrytoons, a division of CBS Films, Inc.; 21Jul65 (in notice: 1964); LP38559.
OSMOSIS. See
DIALYSIS.
EFFECT ON CELL MEMBRANES.
MOVEMENT OF WATER.
PHYSICAL CHANGES IN PLANT TISSUE.
OTHER FILING SYSTEMS. See
BUSINESS FILING.