Columbia subject headings:
Germany--Relations--Poland.
Neighborhoods--Germany--Religious aspects--Christianity.
Neighborhoods--Poland--Religious aspects--Christianity.
Poland--Relations--Germany.
Harvard subject headings:
Catholic Church--Germany.
Catholic Church--Poland.
Germany--Relations--Poland.
Multiculturalism--Germany
Multiculturalism--Poland.
Neighborhoods--Germany--Religious aspects--Christianity.
Neighborhoods--Poland--Religious aspects--Christianity.
Poland--Relations--Germany
Princeton subject headings: