00841cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040004700111042001200158050002400170110003300194245007300227260004900300300002300349500010200372650002000474650002700494711006100521999001700582l  39000079 DLC20260227111536.0780417s1939    sz            000 0 eng c  al  39000079   a(OCoLC)3807596  aU. S. Dept. of Labor. Libr.cCCCdCCCdDLC  apremarc00aHD5119.M6bI5 1939a2 aInternational Labour Office.10aReduction of hours of work in coal mines.cSixth item on the agenda.  aGeneva,bInternational Labour Office,c1939.  aiv, 125 p.c24 cm.  aAt head of title: Report VI. International Labour Conference. Twenty-fifth session, Geneva, 1939. 0aHours of labor. 0aCoal mines and mining.2 aInternational Labor Conferencen(25th :d1939 :cGeneva)  c36295d36295