PRINCE OF DARKNESS AFFAIR. See
THE MAN FROM U.N.C.L.E.
THE PRINCIPLES OF AUTOMATIC SAUSAGE LINKING. Iowa State University. Made by Film Production Unit & Dept. of Animal Science. 5 min., sd., color, 16 mm. Presented by Townsend Engineering Co. © Iowa State University a.a.d.o. Iowa State University of Science & Technology; 9Oct70; MP21146.
PRINCIPLES OF BUSINESS & ECONOMICS (Filmstrip) United Transparencies. 85 fr., color, 35 mm. (Teaching transparencies for overhead projection) © United Transparencies, Inc.; 20Nov69; A227019.
PRINCIPLES OF CLUTCHES AND BANDS. See
AUTOMATIC TRANSMISSION.
PRINCIPLES OF PLANETARY GEARS. See
AUTOMATIC TRANSMISSION.
PRINCIPLES OF PROFESSIONAL SALESMANSHIP. See
CASE STUDY.