ORIGIN OF LIFE. See

FORMATION OF AMINO ACIDS.

PREPARATION AND PROPERTIES OF PROTEINOIDS.

PREPARATION OF PROTEINOID MICROSPHERES.

PROPERTIES OF PROTEINOID MICROSPHERES.

QUESTIONS AND ANSWERS.

THE ORIGIN OF THE ELEMENTS. Communications/Research/Machines. Made by CRM Productions. 18 min., sd., color, 16 mm. (Science today) © Communications/Research/Machines, Inc.; 1Jan73; MP24021.

ORPHAN OF THE WILD. See

LASSIE.

OSHA, ARE YOU READY? National Chemsearch Corp. 7 min., sd. © National Chemsearch Corp.; 10May73; MU8608.