00687cam a22002051  4500001001300000003000400013005001700017008004100034010001700075035001900092040004100111050002600152100001700178245006100195260005500256300003100311410006600342610004200408650003100450l  54000014 DLC20260227111543.0771118s1954    nyua          000 0 eng c  al  54000014   a(OCoLC)3429144  aU.S. Dept. of LaborcNRGEdNRGEdDLC00aHD6250.U3bN2 no. 4151 aMarkoff, Sol14aThe changing years, 1904-1954,b50th anniversary report.  a[New York,bNational Child Labor Committee,c1954]  a23 p.billus.c22 x 28 cm.20aNational Child Labor Committee (U.S.)tPublication ;vno. 41520aNational Child Labor Committee (U.S.) 0aChild laborzUnited States