CHILDREN OF THE INNER CITY.

CZECHOSLOVAKIA IN CHAINS. See

SCREEN NEWS DIGEST, v. 11, issue no. 1.

CZECHOSLOVAKIA: THE LAND AND THE PEOPLE. Coronet Instructional Films. 15 min., sd., b&w, 16 mm. © Coronet Instructional Films, division of Esquire, Inc.; 1Oct69; MP20166.

D

DASD CONCEPTS. See

DATA FILE ORGANIZATION. HARDWARE OVERVIEW; CONTROL UNIT FUNCTION.

DNA AND CELL CHEMISTRY (Filmstrip) Ward's Natural Science Establishment. 6 filmstrips, color, 35 mm. With Teaching guide, 31 p. Contents: Carbon: Key atom in living organisms. 46 fr.--Carbohydrates. 50 fr.--Proteins: Prime molecules of life. 65 fr.--DNA: Structure and replication. 73 fr.--DNA and protein synthesis. 75 fr.--DNA and RNA: Evidence for structure and. function. 85 fr. Author: Kathryn Tucker, illustrator: Richard C. Burandt. © Ward's Natural Science Establishment, Inc.; 10Oct66; A140581.

DAIRY AND BEEF CATTLE. See

AGRICULTURE AND INDUSTRY.