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1von: Horle, Craig W.[2016], University of Pennsylvania Press
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2von: Horle, Craig W.[2017], Reprint 2016, University of Pennsylvania Press
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3von: Horle, Craig W.[2017], Reprint 2016, University of Pennsylvania Press
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4von: Foster, Joseph S.[2017], Reprint 2016, University of Pennsylvania Press
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5
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7von: Beiler, Rosalind J.[2017], Reprint 2016, University of Pennsylvania Press