Audiovisual materials : their nature and use / Walter Arno Wittich Audiov. mater Wittich, Walter Arno Library of Congress. Library of Congress. Catalog Publication Division. Motion pictures Catalogs. Filmstrips Catalogs. Audio-visual materials Catalogs. 025.177 WIA Includes index. Compiled and edited by the Cataloging Publication Division, Library of Congress. Quinquennial cumulations issued as vols. of the quinquennial cumulations of: National union catalog, ISSN 0028-0348. Continues: Films and other materials for projection, ISSN 0091-3294. Continued by: NUC, Audiovisual materials, ISSN 0734-7669 New York : Harper & Brothers , 1962 1962 1979 Text Collection 500 p. : eng NUC, Audiovisual materials Films and other materials for projection Library of Congress catalogs Library of Congress catalogs