TY  - BOOK
AU  - Nelson B. Henry
ED  -  National Society for the Study of Education. Committee on Audio-Visual Materials of Instruction
TI  - Audio-visual materials of instruction; prepared by the Society's Committee 
T2  - Yearbook of the National Society fr the Study of Education,
U1  - R  370.723  N227n 
PY  - 1949///
CY  - Chicago, Ill.
PB  -  University of Chicago Press
KW  -   Visual education
N2  - 	

ER  -