00973cam a22003011 4500 1166 1166 10353472 OSt 20190903155607.0 760211s1967 nyua b 000 0 eng 67013282 GB68-15626 (OCoLC)1985132 DLC OAU OCoLC ODaWU Uk DNLM OCoLC DLC premarc LB1043 .W58 1967 LB 1043 W832a 1967 371.335 WIT Wittich, Walter A. (Walter Arno), 1910- Audiovisual materials; their nature and use [by] Walter Arno Wittich [and] Charles Francis Schuller. 4th ed. New York, Harper & Row [1967] xvi, 554 p. illus. part col. 27 cm. Exploration series in education Audio-visual education. Schuller, Charles Francis, joint author. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc STS 0 0 ddc 0 0 16/4 AIISH AIISH 2019-09-03 0 371.335 WIT 4896 2019-09-03 00:00:00 2019-09-03 STS