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Monthly Bulletin of the Pennsylvania Department of Labor and ...
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Labor laws [Pennsylvania].
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... Special Bulletin
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The Employment of Children in Pennsylvania: A Digest of the ...
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Annual Report of the Commissioner of Labor and Industry of ...
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The Department of Labor and Industry: Its Organization and ...
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Organization and Functions of the Department of Labor and ...
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Labor and Industry
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A History of Child Labor Legislation in Pennsylvania
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Pennsylvania Labor and Industry Review
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