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Business and politics
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Cabinet photographs
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Campaign literature
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Canada
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Carbon County (Pa.)
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Carbonated beverages -- Equipment and supplies
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Career development
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Carney's Point (N.J.)
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Cartes de visite
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Caterers and catering
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Cavalcade of America (Radio program)
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Cedar Grove (Pa.)
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Cellophane industry
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Cement plants
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Central Valley (Calif. : Valley)
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Chadds Ford (Pa.)
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Chair-makers
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Charitable uses, trusts, and foundations
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Charlestown (Ind.)
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Chemical apparatus
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Chester County (Pa.)
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Child labor
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Clock and watch making
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Coal-fired power plants
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