East, Marjorie. Display for learning: making and using visual materials. Edited by Edgar Dale. - New York, Dryden Press [1952] - 306 p. illus. 22 cm. - Dryden professional books in education . LCCN: 52003155 Subjects--Topical Terms: Visual education LC Class. No.: LB1043.5 / .E3 Dewey Class. No.: 371.335 EAS