Haas, Kenneth Brooks Preparation and use of audio-visual aids Kenneth B. Haas [and] Harry Q. Packer. Drawings by Bert Paul Kuhn. - 3d ed. - New York Prentice-Hall 1955. - 381 p. illus. LCCN: 55007628 /L Subjects--Topical Terms: Audiovisual education. LC Class. No.: LB1043 / .H3 1955 Dewey Class. No.: 371.335