Columbia subject headings:
Austria--History--Franz Joseph I, 1848-1916.
Europe--History--1848-1849.
Franz Joseph I, Emperor of Austria, 1830-1916.
Harvard subject headings:
Austria--History--Franz Joseph I, 1848-1916.
Europe--History--1848-1849.
Europe--History--1848-1871.
Franz Joseph I, Emperor of Austria, 1830-1916.
Princeton subject headings: