THAT GIRL. No. 34.

BLACKBIRD FAMILY. Public Media. Distributed by Films, Inc. 12 min., sd., color, 16 mm. (See 'n tell) © Public Media, Inc.; 6Dec71; MP24059.

BLACULA. American International Productions. 92 min., sd., color, 35 mm. © American International Productions; 26Jul72; LP42032.

BLEEDING AND COAGULATION TIME. See

INVESTIGATION OF THE BLEEDING PATIENT: PT. 1.

BLIND BUSINESS. Rowe International. 10 min., sd., color, 16 mm. © Rowe International, Inc. (in notice: Rowe International, Inc., a subsidiary of Triangle Industries, Inc.); 22Jan73 (in notice: 1972); MP23675.

BLIND MAN'S BUFF. See

GUNSMOKE.

BLOOD-GLUCOSE ESTIMATION (FOLIN-WU METHOD) Harper & Row, Publishers. Made by Bay State Film Productions. 5 min., si., color, Super 8 mm. Loop film. Appl. author: Robert M. Dixon. © Harper & Row, Publishers, Inc.; 1May71; MP23892.

BLOOD ON THE VINE. See