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1per Trethowan, Illtyd, 1907-Location: Paul Bechtold Library, Catholic Theological Union
Publicat 1952
Llibre -
2per Hilton, Walter, d. 1396Altres autors: “...Trethowan, Illtyd, 1907-...”
Publicat 1975
Location: University Libraries of CUA, Catholic University of America
Llibre -
3per Blondel, Maurice, 1861-1949Altres autors: “...Trethowan, Illtyd, 1907-1993...”
Publicat 1964
Location: Hesburgh Libraries, University of Notre Dame
Llibre