Columbia subject headings:
Germany--Boundaries--Poland--Congresses.
Plebiscite--Silesia, Upper (Poland and Czech Republic)--Congresses.
Poland--Boundaries--Germany--Congresses.
Silesia, Upper (Poland and Czech Republic)--History--Partition, 1919-1922--Congresses.
Harvard subject headings:
Germany--Boundaries--Poland--Congresses.
Plebiscite--Silesia, Upper (Poland and Czech Republic)
Plebiscite--Silesia, Upper (Poland and Czech Republic)--Congresses.
Poland--Boundaries--Germany--Congresses.
Poland--History--1918-1945
Silesia, Upper (Poland and Czech Republic)--History--Partition, 1919-1922--Congresses.
Silesia, Upper (Poland and Czech Republic)--History--Partition, 1919-1922.
Princeton subject headings: