00750cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035001800092040004900110042001200159050002400171110004100195245008800236260009300324300003100417500002600448610004100474999001700515l  63000039 DLC20260227111547.0731231s1963    dcua         f000 0 eng c  al  63000039   a(OCoLC)768315  aU.S. Dept. of Labor LibrarycNhDdOCoLCdDLC  apremarc00aHD4835.U4bA5 1963a1 aUnited States.bDepartment of Labor.10aChallenge and change,ba brief history [of the U.S. Department of Labor, 1913-1963.  aWashington,bFor sale by the Superintendent of Documents, U.S. Govt. Print. Off.,c1963]  aiii, 72 p.billus.c26 cm.  aErrata leaf inserted.10aUnited States.bDepartment of Labor.  c37109d37109