The audio-visual handbook
By: by Ellsworth C. Dent ...
Contributors: Society for Visual Education
Publisher: Society for visual education, inc.
Published: 1946
Place of publication: Chicago, Ill
Language: eng
Number of pages: 226
Subjects: Visual education.; Motion pictures in education.; Radio in education.
Notes: "Fifth edition."
First edition, 1934, published under title: A handbook of visual instruction.
"Sources of equipment, materials and information": p. 204-226.