Columbia subject headings:
Austria--History.
Biography--20th century.
Europe--Politics and government--1871-1918.
Europe--Politics and government--20th century.
Habsburg, House of.
Harvard subject headings:
Austria--History
Biography--20th century
Europe--Politics and government--1871-1918.
Europe--Politics and government--20th century.
Habsburg, House of.
Princeton subject headings:
Austria--History.
Biography--20th century.
Europe--Politics and government--1871-1918.
Europe--Politics and government--20th century.
Habsburg, House of.