TY  - BOOK
ED  - National Society for the Study of Education. Illinois
TI  - Yearbooks: 48th, 1949, Pt.1 - Audio-visual materials of instruction
U1  - 370.58 
PY  - 1949///
CY  - Illinois
PB  - NSSE
KW  - Education
KW  - Yearbook
ER  -