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Ravensburg Stadtkirche Reformatorenfenster Zwingli detail. Evangelische Stadtkirche Ravensburg ehem Karmeliterkirche br Glasfenster des Jahrhunderts Ulrich Zwingli Detail Portrait own own photograph Photo Andreas Praefcke Ulrich Zwingli on stained glass windows Stained glass windows in Evangelische Stadtkirche Ravensburg thcentury