Audio-visual aids as means of communication
Subtitle: a list of references
By: selected and summarized by John M. McNeill
Series: Library list / United States Department of Agriculture Library -- no. 28
Publisher: U.S. Dept. of Agriculture Library
Published: 1946
Place of publication: Washington, D.C
Language: eng
Subjects: Education; Audio-visual aids; Bibliography
Other titles: Audio visual aids as means of communication.
Notes: Caption title.