A Christmas story, 1777. Telecast: Dec. 24, 1968. © 19Dec68; LP38050.

REFLECTION OF LIGHT (Filmstrip) No. 202. Popular Science Audio-Visuals. 44 fr., color, 35 mm. (A Science release) With Filmstrip guide, 5 p. © Popular Science Audio-Visuals, Inc.; 3Nov69; A196137.

REGENERATION IN ACETABULARIA. Regents of University of Colorado. 4 min., si., color, Super 8 mm. (BSCS single topic inquiry films) Loop film. Appl. author: Biological Sciences Curriculum Study. © Regents of University of Colorado; 1Jul69 (in notice: 1968); MP20756.

REGISTERED ORTHOTIST. See

A DIRECTION FOR TOMORROW.

REGISTERED PROFESSIONAL NURSE. See

A DIRECTION FOR TOMORROW.

REGLAS DE SEGURIDAD EN LA ESCUELA. See

[SPANISH PROGRAM]

REGULATION OF HEART BEAT IN THE MAMMAL. Iowa State University. 4 min., sd., color, 16 mm. (Physiology film series) © Iowa State University a.a.d.o. Iowa State University of Science & Technology; 15Oct69; MP21002.