Haas, Kenneth Brooks, 4 0 1898- Preparation and use of audio-visual aids, 6 6 by Kenneth B. Haas and Harry Q. Packer.;Drawings by Bert Paul Kuhn. - Rev. and enl. ed. of Preparation and use of visual aids. - - xii, 327p. illus.,maps. 24cm. - - - - - . - . - 0 . - . - 0 . Sources of audio-visual aids: p. 285-320. 5 5 ISBN: ISSN: 2 = = Standard No.: Publisher. No.: Source: LCCN: 50007298 Nat. Bib. No.: 2 Nat. Bib. Agency Control No.: Subjects--Personal Names: 2 --0------ Subjects--Corporate Names: 6 --0-- 2 -------- Subjects--Meeting Names: 0 2 -- Subjects--Uniform Titles: --20------ Subjects--Chronological Terms: Subjects--Topical Terms: Audio-visual education --------20-- Subjects--Geographic Terms: --------20-- Index Terms--Genre/Form: ----2 LC Class. No.: LB1043 / .H3 19502 Dewey Class. No.: 371.335 / 2 National Agricultural Library Call No.: / National Library of Medicine Call No.: / Gov. Doc. Class. No.: