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Creator Personal Names
Lieben, Jan.
Remove constraint Creator Personal Names: Lieben, Jan.
Creator Personal Names
Vinyard, John H.
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All Creators
Vinyard, John H.
Remove constraint All Creators: Vinyard, John H.
Subject Topical
Coal miners--Diseases--Pennsylvania.
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Subject Topical
Lungs--Dust diseases.
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Subject Topical
Pneumoconiosis--Pennsylvania.
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