TY  - BOOK
ED  - United States.
TI  - Treatment of industrial problems by constructive methods
AV  - HD7653 .A5 1919a
PY  - 1919///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - United States
KW  - Working conditions service
N1  - At head of title: U.S. Department of Labor. Working Conditions Service, Grant Hamilton, director general
ER  -