Columbia subject headings:
Diplomatics--Poland--Księstwo Cieszyńskie.
Księstwo Cieszyńskie (Poland)--Politics and government.
Harvard subject headings:
Diplomatics--Poland--Księstwo Cieszyński.
Księstwo Cieszyńskie (Poland)--Politics and government.
Princeton subject headings:
Diplomatics--Poland--Księstwo Cieszyńskie.
Księstwo Cieszyńskie (Poland)--Politics and government.