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1gan Trese, Leo John, 1902-Location: Hesburgh Libraries, University of Notre Dame
Cyhoeddwyd 1956
Llyfr -
2gan Trese, Leo John, 1902-Location: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Cyhoeddwyd 1967
Cael y testun llawn
Pamphlet