(1994). St. Mary of the Valley history. s.n..
Dyfyniad Arddull ChicagoSt. Mary of the Valley History. [S.l.: s.n., 1994.
Dyfyniad MLASt. Mary of the Valley History. s.n., 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(1994). St. Mary of the Valley history. s.n..
Dyfyniad Arddull ChicagoSt. Mary of the Valley History. [S.l.: s.n., 1994.
Dyfyniad MLASt. Mary of the Valley History. s.n., 1994.