International rules for the cataloguing of educational scientific and cultural films and filmstrips on 3" x 5" (7.5 cm. x 12.5 cm.) cards.

Bibliographic Details
Corporate Author: United Nations Educational Scientific and Cultural Organization. Dept. of Mass Communications
Format: Book
Language:English
Published: Paris [Clearing House, Dept of Mass Communications, UNESCO] 1956
Edition:Prelim. ed.
Series:Reports and papers on mass communication no. 17
Subjects: