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Dyfyniad Arddull ChicagoMulligan, Patrick. The Diocese of Clogher. S.I., 1986.
Dyfyniad MLAMulligan, Patrick. The Diocese of Clogher. S.I., 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.