TY  - BOOK
AU  - Hartwell,Shattuck O.
TI  - Overcrowded schools and the platoon plan 
U1  - 371.62 
PY  - 1916///.
CY  - Ohio : 
PB  - The Survey Committee of the Cleveland Foundation, 
KW  - School management and organization
KW  - Cleveland Public Schools
ER  -