Visser 't Hooft, Willem Adolph, 1900-1985. The pressure of our common calling / by W.A, Visser 't Hooft. - [1st ed.] - London: SCM Press Ltd,, 1959. - 90 p. 22 cm. Includes bibliography. LCCN: 59012655 Subjects--Topical Terms: Ecumenical movement.Church union Dewey Class. No.: 280.1 Hooft