WHAT NEXT. See

[HOW DO I LEARN]

WHAT NUMBER PROPERTIES SIGNIFY (Filmstrip) No. 1188. Popular Science Audio-Visuals. 42 fr., color, 35 mm. (A Mathematics release) With Filmstrip guide, 5 p. © Popular Science Audio-Visuals, Inc.; 2Mar70; A196119.

WHAT THE DECORTICATE PIGEON CAN DO. Iowa State University. 7 min., si., color, 16 mm. (Physiology film series) © Iowa State University a.a.d.o. Iowa State University of Science & Technology; 15Oct69; MP21015.

WHAT TO DO WHEN YOU FAIL (Filmstrip) Troll Associates. 36 fr., color, 35 mm. (Developing good work and study habits) Author, Louise Jacobsen; illustrator, Gordon Hart. © Troll Associates; 6Feb70; A166395.

WHAT TO DO WHEN YOU VISIT (Filmstrip) Troll Associates. 34 fr., color, 35 mm. (Personal development) Author, Seth Alexander; illustrator, Gordon Hart. © Troll Associates; 14Jan70; A166463.

WHAT'S THE PRICE OF A PAIR OF EYES. See

THE BOLD ONES.

WHEN HAIR CAME TO MEMPHIS. Scripps-Howard Broadcasting Co. 54 min., sd., color, 16 mm. © Scripps-Howard Broadcasting Co.; 24Jul70; MU8214.

WHEN IS ZERO? Teaching Films. 22 min., sd., color. © Teaching Films, Inc., subsidiary of A-V Corp.; 21Sep70; MU8244.