01168cam a22003371 4500008324580MiAaHDL20111212000000.0m d cr bn ---auaua791102r19131912dcu f001 0 eng cl 13000169sdr-ucsc.b34611940U.S. Dept. of Labor. Libr.YGMDLCDNUOCLCQNUICUZenggerCUZAL 2.3:117HD8051.A62 no.117(OCoLC)5639845Prohibition of night work of young personsWashington,Govt. Print. Off.,191374 p.24 cmBulletin of the United States Bureau of Labor Statistics,whole no. 117.Miscellaneous series,no. 2Mode of access: Internet.Night workChild laborHours of laborInternational Labour OfficeUnited States.Bureau of Labor StatisticsInternational Association for Labor Legislation00832458020100105062517.020111212000000.020120815100043.02024-08-30T18:07:07ZSDR-UCSCIII - MILLENIUMloader.pl-001-001BKsdr-ucsc.b34611940uc1SDRUCSCuc1.32106015786467UC.b34611940UCUCSC20240830googleuc1.321060157864671913pdbibUS fed doc