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2od Barry, DavidLocation: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Izdano 1914
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3od Barry, DavidLocation: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Izdano 1931
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4od Barry, David WilliamLocation: University Libraries of CUA, Catholic University of America
Izdano 1979
Thesis Knjiga