MERCADO. See

ASI ES MI TIERRA.

THE MERCENARY. Produzioni Europee Associate, Produzioni Associate Delphos & Profilms 21, Italy. Released in the U.S. by United Artists Corp. 105 min., sd., color, 35 mm. Techniscope. © Produzioni Europee Associate; 20Dec68; LF62.

THE MERCURY BEATING HEART. John Wiley & Sons. 4 min., si., color, Super 8 mm. Loop film. Appl. author: Wendell H. Slabaugh. © John Wiley & Sons, Inc.; 18Jul69; MP20562.

THE MERELY SYNDROME. See

MARCUS WELBY, M.D.

MESOPOTAMIA, CRADLE OF CIVILIZATION (Filmstrip) Troll Associates. 47 fr., color, 35 mm. (Our heritage from the past) Author, Victoria Chapman; illustrator, Mildred Kaye. © Troll Associates; 12Jan70; A166448.

METROPOLITAN WASHINGTON REGIONAL MEDICAL PROGRAM. See

AUDIOVISUAL LIBRARY.

MEXICAN-AMERICAN CULTURE, ITS HERITAGE. Communication Group West/Hollywood. 18 min., sd., color, 16 mm. © Communications Group West/Hollywood; 1Jul70; LP38242.