Columbia subject headings:
Harvard subject headings:
Austria--Politics and government--20th century
Austria--Relations--Slovenia.
Habsburg, House of.
Slovenia--Politics and government--20th century.
Slovenia--Relations--Austria.
World War, 1914-1918--Austria
World War, 1914-1918--Slovenia.
Princeton subject headings:
Austria--Relations--Slovenia.
Slovenia--Relations--Austria.
World War, 1914-1918--Slovenia.