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Dyfyniad Arddull ChicagoRoemer, William Francis. The Catholic Church and Peace Efforts. Washington, D.C., 1934.
Dyfyniad MLARoemer, William Francis. The Catholic Church and Peace Efforts. Washington, D.C., 1934.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.