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1Yazar: Hoppe, Roman S.Location: Marian Library, University of Dayton
Baskı/Yayın Bilgisi 1969
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2Yazar: Hoppe, RomanLocation: U.S. Catholic Special Collection, University of Dayton
Baskı/Yayın Bilgisi 1972
Kitap -
3Yazar: Hoppe, RomanLocation: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Baskı/Yayın Bilgisi 1987
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