Columbia subject headings:
Harvard subject headings:
Austria--History--20th century.
Austria--History--21st century.
Austria--Relations--China.
China--History--20th century
China--History--21st century.
China--Relations--Austria.
Princeton subject headings:
Austria--History--20th century.
Austria--History--21st century.
Austria--Relations--China.
China--History--20th century.
China--History--21st century.
China--Relations--Austria.