Franciscan Sisters of Oldenburg Records. University of Notre Dame Archives.
Dyfyniad Arddull ChicagoFranciscan Sisters of Oldenburg Records. University of Notre Dame Archives.
Dyfyniad MLAFranciscan Sisters of Oldenburg Records. University of Notre Dame Archives.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.