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100   $a20120213d1933      ua             0
101 0 $aeng
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181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 12$aA study of a change from 8 to 6 hours of work /$fby Ethel L. Best
210  1$a[Washington, D.C.] :$cUnited States Department of Labor, Women's Bureau.
210  2$aWashington :$cUnited States Government Printing Office,$d1933.
215   $a1 online resource (iv, 14 pages)
225 1 $aBulletin of the Women's Bureau ;$vno. 105
606   $aHours of labor
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615  0$aHours of labor.
615  0$aFatigue.
615  7$aFatigue.
615  7$aHours of labor.
700   $aBest$b Ethel L$g(Ethel Lombard),$01389982
712 02$aUnited States.$bWomen's Bureau,
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912   $a9910711838303321
996   $aA study of a change from 8 to 6 hours of work$93543142
997   $aUNINA