TY  - BOOK
ED  - Armstrong Association of Philadelphia.
ED  - Philadelphia.
TI  - A comparative study of the occupations and wages of the children of working age in Potter and Durham schools, Philadelphia
AV  - HD6250.U5 A8
PY  - 1913///
CY  - [Philadelphia
PB  - Printed by pupils at the Philadelphia trades school]
KW  - Child labor
KW  - Pennsylvania
KW  - Philadelphia
ER  -