TY  - BOOK
ED  - United States.
TI  - Challenge and change,: a brief history [of the U.S. Department of Labor, 1913-1963
AV  - HD4835.U4 A5 1963a
PY  - 1963///]
CY  - Washington
PB  - For sale by the Superintendent of Documents, U.S. Govt. Print. Off.
KW  - United States
KW  - Department of Labor
N1  - Errata leaf inserted
ER  -