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By: Balch, Edwin SwiftType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 47Series:Issue: 188Date: 1908Page Range: 30--36Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Balch, Edwin SwiftType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 57Series:Issue: 220Date: 1918Page Range: 144--154Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Balch, Edwin SwiftType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 60Series:Issue: 220Date: 1921Page Range: 553--559Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Balch, Edwin SwiftType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 56Series:Issue: 220Date: 1917Page Range: 473--483Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Balch, Edwin SwiftType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 58Series:Issue: 220Date: 1919Page Range: 55--73Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Balch, Edwin SwiftType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 48Series:Issue: 191Date: 1909Page Range: 34--50Publication Info: Philadelphia, American Philosophical Society,Subjects: