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1gan Herwegen, Ildefons, Abbot, 1874-1946.Location: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Cyhoeddwyd 1931
Cael y testun llawn
Pamphlet -
2gan Herwegen, Ildefons, Abbot, 1874-1946.Location: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Cyhoeddwyd 1932
Cael y testun llawn
Pamphlet