PREPARATION OF PROTEINOID MICROSPHERES. Harper & Row, Publishers. 1 reel, si., color, Super 8 mm. (The Origin of life, pt. 3) Loop film. Appl. author: Sidney W. Fox. © Harper & Row, Publishers, Inc.; 1May72; MP23383.

PREPARING HISTOLOGICAL SECTIONS. Harper & Row, Publishers. 2 motion pictures, si., color, Super 8 mm. Loop film. Contents: Pt. 1–2: Fixing, dehydrating, and embedding.—Sectioning, mounting, and staining. © Harper & Row, Publishers, Inc.; 1Oct70; MP23660–23661.

PREPARING TO CHASE A THREAD. Clear-Vue Film Corp. Released by Thorne Films. 4 min., si., color, Super 8 mm. (Engine lathe, no. 792) Loop film. © Clear-Vue Film Corp.; 1Dec72; MP23625.

PRE-PREDATOR INTERACTIONS: MOTH, WASP, AND MITE. Harper & Row, Publishers. 1 reel, si., color, Super 8 mm. Loop film. © Harper & Row, Publishers, Inc.; 1Oct70; MP23651.

PRESIDENT ABROAD: FROM BUCHAREST TO BRITAIN. See

CBS NEWS SPECIAL.

PRESIDENT ABROAD: INDIA AND PAKISTAN. See

CBS NEWS SPECIAL.

PRESIDENT ABROAD: MANILA AND DJAKARTA. See

CBS NEWS SPECIAL.