Columbia subject headings:
Europe, Eastern--Church history.
Europe, Eastern--Civilization.
Germans--Europe, Eastern--History.
Germany (East)--Church history.
Institut für Ostdeutsche Kirchen- und Kulturgeschichte (Bonn)--History.
Harvard subject headings:
Europe, Eastern--Church history.
Europe, Eastern--Civilization.
Germans--Europe, Eastern--History.
Germany (East)--Church history.
Institut für Ostdeutsche Kirchen- und Kulturgeschichte (Bonn)--History.
Princeton subject headings: