Columbia subject headings:
Harvard subject headings:
Austria--History--1519-1740--Congresses.
Burgenland (Austria)--History--Congresses.
Croats--Austria--Burgenland--History--Congresses.
Turks--Austria--Burgenland--History--Congresses.
Princeton subject headings:
Austria--History--1519-1740--Congresses.
Burgenland (Austria)--History--Congresses.
Croats--Austria--Burgenland--History--Congresses.
Turks--Austria--Burgenland--History--Congresses.