Tavard George Henry. Two centuries of ecumenism / George Henry Tavard ; translated by Royce W. Hughes. - London : Notre Dame Ind. : Burns & Oates ; Fides Publishers Association, [c1960] - xi, 239 p. ; 20 cm. Includes bibliography Nat. Bib. No.: 60015441 Nat. Bib. Agency Control No.: 1009852 ChTaNC Subjects--Topical Terms: Ecumenical movement History.天主教與基督