Credits: Executive producer, Cameron McKay; curriculum consultant, Ann Wilson; science consultant, Edward Ortleb.

© Milliken Pub. Co.; 4Jan71; JP13189-13194.

SCOTLAND YARD: THE GOLDEN THREAD. National Broadcasting Co. 51 min., sd., color, 16 mm.

Credits: Producer, Lucy Jarvis; director, Frank Cvitanovich; writer, Sidney Carroll; director of photography, James Allen; film editors, Kenneth Shea, Darold Murray.

Cast: David Niven.

© National Broadcasting Co., Inc.; 20Mar71; MP21459.

SCREEN NEWS DIGEST. Hearst Metrotone News. Approx. 15 min. each, sd., b&w, 16 mm. © Hearst Metrotone News, Inc.

v. 12, issue

1. A walk on the moon. Color. © 11Sep69; MP21201.

2. The changing face of Eastern Europe. © 24Sep69; MP21202.