00946cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040003400111042001200145050003100157110003300188245010400221260001900325300004000344490006800384500005100452500010500503650001100608650001700619650002700636999001700663l  31000097 DLC20260227111533.0800308s1931    sz a          000 0 eng c  al  31000097   a(OCoLC)6062544  aU.S. Dept of LaborcNBuUdDLC  apremarc00aHD4813b.I4 ser. D, no. 202 aInternational Labour Office.10aPrinciples and methods of wage determination in the coal-mining industry;ban international survey.  aGeneva,c1931.  a104 p. incl. tables, forms.c24 cm.0 aStudies and reports, Series D, Wages and hours of work,vno. 20  aAt head of title: International Labour Office.  aAnnex I: "Comparison of average wages in European coal-miners,     1925, 1927 and 1929": p. [87]-93. 0aWages. 0aCoal miners. 0aCoal mines and mining.  c36029d36029