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Dyfyniad Arddull ChicagoHoly Trinity Church, Lowell, Mass.: 1904-1979 : Sio Trojcy. [S.l.: the Church], 1979.
Dyfyniad MLAHoly Trinity Church, Lowell, Mass.: 1904-1979 : Sio Trojcy. the Church], 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.