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1od Trethowan, Illtyd, 1907-Location: Paul Bechtold Library, Catholic Theological Union
Izdano 1952
Knjiga -
2od Hilton, Walter, d. 1396Drugi avtorji: “...Trethowan, Illtyd, 1907-...”
Izdano 1975
Location: University Libraries of CUA, Catholic University of America
Knjiga -
3od Blondel, Maurice, 1861-1949Drugi avtorji: “...Trethowan, Illtyd, 1907-1993...”
Izdano 1964
Location: Hesburgh Libraries, University of Notre Dame
Knjiga