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Bulletin / United States Department of Labor, Bureau of Labor Standards
USA / Bureau of Labor Standards; USA / Division of … - Washington, DC - 1.1935 - 328.1970[?]
Persistent link: https://www.econbiz.de/10009378318
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State child labor standards : a state by state summary of laws affecting the employment of minors under 18 years of age
USA / Bureau of Labor Standards - Washington, DC : Gov.Print.Off. - 1949 - 1965 nachgewiesen
Persistent link: https://www.econbiz.de/10000489449
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Annual digest of state and federal labor legislation
USA / Bureau of Labor Standards - Washington, DC : US Gov.Print.Off. - Nachgewiesen 10.1943/44 - 31.1968; damit Ersch. eingest.
Persistent link: https://www.econbiz.de/10000429190