Catholic Church. Leo XIII, P. (1889). Sanctissimi Domini nostri Leonis Divina Providentia Papae XIII. Epistola de Magno Lycaeo Catholico Foederatorum Americae Septentrionalis Statuum in urbe Washington Constituto. Rome.
Dyfyniad Arddull ChicagoCatholic Church. Leo XIII, Pope. Sanctissimi Domini Nostri Leonis Divina Providentia Papae XIII. Epistola De Magno Lycaeo Catholico Foederatorum Americae Septentrionalis Statuum in Urbe Washington Constituto. Rome, 1889.
Dyfyniad MLACatholic Church. Leo XIII, Pope. Sanctissimi Domini Nostri Leonis Divina Providentia Papae XIII. Epistola De Magno Lycaeo Catholico Foederatorum Americae Septentrionalis Statuum in Urbe Washington Constituto. Rome, 1889.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.