A Manual for evaluators of films and filmstrips by M. L. Allison, Emily S. Jones [and] Edward T. Schofield; Prepared under the auspices of Educational Film Library Association in accordance with the International rules for the cataloging of educational, scietific and cultural films and filmstrips - Allison, Mary Lucille; Jones, Emily S.; Schofield, Edward T. (Reports and papers on mass communication UNESCO. Dept. of Mass Communication, 1959)