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1
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2gan Campbell, John G.Location: University Libraries of CUA, Catholic University of America
Cyhoeddwyd 1961
Traethawd Ymchwil Llyfr -
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4gan Campbell, John Archibald, 1811-1889Location: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Cyhoeddwyd 1887
Cael y testun llawn
Pamphlet -
5gan Campbell, John Campbell, Baron, 1779-1861Location: William H. Hannon Library, Loyola Marymount University
Cyhoeddwyd 1845
Llyfr -
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