Columbia subject headings:
Harvard subject headings:
Austria--Kings and rulers.
Austria--Politics and government--1867-1918.
Monarchy--Austria--Vienna.
World War, 1914-1918--Austria--Vienna.
Princeton subject headings:
Austria--Kings and rulers.
Austria--Politics and government--1867-1918.
Monarchy--Austria--Vienna.
World War, 1914-1918--Austria--Vienna.