Title: 20 Jahre Ökumenismus
Subjects: Sources, Christian union, Wien Stiftungsfonds Pro Oriente, Church history, Catholic Church, Relations, History, Ökumenische Bewegung, Interfaith relations, Stiftung Pro Oriente, Ökumene, Oecumene, Ecumenical movement, Pro Oriente
Places: Austria
People: Martin Luther (1483-1546)
Time periods: 20th century