Columbia subject headings:
Austria--Ethnic relations.
Austria--History--1867-1918.
Hungary--Ethnic relations.
Hungary--History--1867-1918.
Harvard subject headings:
Austria--Ethnic relations--Congresses.
Austria--Politics and government--1848-1918--Congresses.
Nationalism--Austria--Congresses.
Princeton subject headings:
Austria--Ethnic relations--Congresses.
Austria--Politics and government--1848-1918--Congresses.
Nationalism--Austria--Congresses.