Ferdinand Aloys Hermens. The Catholic University of America, The American Catholic History Research Center and University Archives.
Dyfyniad Arddull ChicagoFerdinand Aloys Hermens. The Catholic University of America, The American Catholic History Research Center and University Archives.
Dyfyniad MLAFerdinand Aloys Hermens. The Catholic University of America, The American Catholic History Research Center and University Archives.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.