Columbia subject headings:
Austria--Civilization--Venetian influences--Congresses.
Austria--Relations--Italy--Venice--Congresses.
Italy--Civilization--Austrian influences--Congresses.
Music--Austria--Salzburg--History and criticism--Congresses.
Music--Italian influences--Congresses.
Music--Italy--Venice--History and criticism--Congresses.
Salzburg (Austria)--Relations--Italy--Venice--Congresses.
Venice (Italy)--Relations--Austria--Salzburg--Congresses.
Harvard subject headings:
Austria--Civilization--Venetian influences--Congresses.
Austria--Relations--Italy--Venice--Congresses.
Italy--Civilization--Austrian influences--Congresses.
Music--Austria--Salzburg--History and criticism--Congresses.
Music--Italian influences--Congresses.
Music--Italy--Venice--History and criticism--Congresses.
Salzburg (Austria)--Relations--Italy--Venice--Congresses.
Venice (Italy)--Relations--Austria--Salzburg--Congresses.
Princeton subject headings:
Austria--Civilization--Venetian influences--Congresses.
Austria--Relations--Italy--Venice--Congresses.
Italy--Civilization--Austrian influences--Congresses.
Music--Austria--Salzburg--History and criticism--Congresses.
Music--Italian influences--Congresses.
Music--Italy--Venice--History and criticism--Congresses.
Salzburg (Austria)--Relations--Italy--Venice--Congresses.
Venice (Italy)--Relations--Austria--Salzburg--Congresses.