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1af Herwegen, Ildefons, 1874-1946Location: Hesburgh Libraries, University of Notre Dame
Udgivet 1955
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2af Herwegen, Ildefons, 1874-1946Location: Paul Bechtold Library, Catholic Theological Union
Udgivet 1924
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3af Herwegen, Ildefons, 1874-1946Location: Paul Bechtold Library, Catholic Theological Union
Udgivet 1922
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