TY  - BOOK
AU  - Bossing, Nelson L.
TI  - Principles of secondary education
AV  - LB1607 .B57
U1  - 373 
PY  - 1949///
CY  - New York
PB  - Prentice-Hall
KW  - Education, Secondary
KW  - Education
KW  - United States
N1  - Includes "Selected references."
ER  -