Columbia subject headings:
Catholic Church--Poland--Western and Northern Territories.
Church and state--Poland--Western and Northern Territories.
Hlond, August, 1881-1948.
Western and Northern Territories (Poland)--Church history.
Harvard subject headings:
Catholic Church--Germany (East)--History.
Germany (East)--Church history.
Hlond, August, 1881-1948.
Princeton subject headings: