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Legal Regulation of the Employment of Minors 16 Years of Age and Over

Ella Arvilla MerrittUnited States. Children's Bureau

出版	U.S. Government Printing Office, 1924
URL	http://books.google.com.hk/books?id=EODRAnJ1sMgC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN