-
1gan Duff, Alexander, 1806-1878Location: Cudahy Archives, Loyola University Chicago
Cyhoeddwyd 1852
Llyfr -
2gan Duff, Alexander, 1806-1878Location: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Cyhoeddwyd 1854
Cael y testun llawn
Pamphlet