Columbia subject headings:
Harvard subject headings:
Austria--History--20th century--Congresses.
Austria--Politics and government--1867-1918--Congresses.
Hungary--History--20th century--Congresses.
Minorities--Austria--History--20th century--Congresses.
Political parties--Austria--History--20th century--Congresses.
World War, 1914-1918--Austria--Congresses.
World War, 1914-1918--Austria--Propaganda--Congresses.
World War, 1914-1918--Social aspects--Austria--Congresses.
Princeton subject headings:
Austria--Politics and government--1867-1918--Congresses.
Minorities--Austria--History--20th century--Congresses.
Political parties--Austria--History--20th century--Congresses.
World War, 1914-1918--Austria--Congresses.