Columbia subject headings:
Austria--Civilization--Italian influences.
Austria--Relations--Italy--History.
Italy--Civilization--Austrian influences.
Italy--Relations--Austria--History.
Harvard subject headings:
Austria--Foreign relations--Italy--19th century--Congresses.
Italy--Foreign relations--Austria--19th century--Congresses.
National characteristics--Congresses.
Princeton subject headings:
Austria--Civilization--Italian influences.
Austria--Relations--Italy--History.
Italy--Civilization--Austrian influences.
Italy--Relations--Austria--History.