Motion pictures, January-June 1973

by Library of Congress. Copyright Office

A World of structures. Bb Film Productions. 19 min., sd., color, 16 mm. Appl. au.: Robert A. Heller. © McGraw Hill, Inc.; 27Jul73; MP24329.

MP24330.

Multiplication facts. No. 103. 3 min., si., color, Super 8 mm. Loop film. (Math number facts) Appl. au.: Forrest D. Fernkopf. © Forrest D. Fernkopf; 6Aug73; MP24330.

MP24331.

Addition facts. No. 101. 3 min., si., color, Super 8 mm. Loop film. (Math number facts) Appl. au.: Forrest D. Fernkopf. © Forrest D. Fernkopf; 6Aug73; MP24331.

MP24332.

Division facts. No. 104. 3 min., si., color, Super 8 mm. Loop film. (Math number facts) Appl. au.: Forrest D. Fernkopf. © Forrest D. Fernkopf; 6Aug73; MP24332.

MP24333.

Subtraction facts. No. 102. 3 min., si., color, Super 8 mm. Loop film. (Math number facts) Appl. au.: Forrest D. Fernkopf. © Forrest D. Fernkopf; 6Aug73; MP24333.

MP24334.