Columbia subject headings:
Harvard subject headings:
Austria--Politics and government--1867-1918--Congresses.
Habsburg, House of--Congresses.
Hungary--Politics and government--1867-1918--Congresses.
Princeton subject headings:
Austria--Politics and government--1867-1918--Congresses.
Habsburg, House of--Congresses.
Hungary--Politics and government--1867-1918--Congresses.