(1917). National Catholic War Council (U.S.) Records. University of Notre Dame Archives.
Dyfyniad Arddull ChicagoNational Catholic War Council (U.S.) Records. University of Notre Dame Archives, 1917.
Dyfyniad MLANational Catholic War Council (U.S.) Records. University of Notre Dame Archives, 1917.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.