TY  - BOOK
AU  - Koon,Cline Morgan
ED  - American council on education.
TI  - School use of visual aids: an interpretative study of the data collected in the national survey of visual instruction in elementary and secondary schools,
T2  - U. S. Office of education. Bulletin, 1938,
AV  - L111 .A6 1938, no. 4
PY  - 1938///]
CY  - [Washington
PB  - U.S. Govt. print. off.
KW  - Visual education
KW  - Motion pictures in education
N1  - "The survey was made by the Office of education with the cooperation of the American council on education, in 1936." -- Foreword; Copies 1 and 2 of L111.A6 with: School custodian / James Frederick Rogers. Washington : U.S. Govt. Print. Off., 1938. Bound together subsequent to publication; Contains references
ER  -