Columbia subject headings:
Citizenship--Poland.
Gdańsk (Poland)--Foreign relations--Poland.
Germany--Foreign relations--Poland.
Noncitizens--Poland.
Poland--Foreign relations--Germany.
Poland--Foreign relations--Poland--Gdańsk.
Harvard subject headings:
Citizenship--Poland.
Gdańsk (Poland)--Foreign relations--Poland.
Germany--Foreign relations--Poland.
Noncitizens--Poland.
Poland--Foreign relations--Danzig.
Poland--Foreign relations--Germany
Princeton subject headings:
Citizenship--Poland.
Gdańsk (Poland)--Foreign relations--Poland.
Germany--Foreign relations--Poland.
Noncitizens--Poland.
Poland--Foreign relations--Germany.
Poland--Foreign relations--Poland--Gdańsk.