Columbia subject headings:
Arts--Austria--Vienna--History--Congresses.
Arts--Hungary--Budapest--History--Congresses.
Budapest (Hungary)--Intellectual life--Congresses.
Budapest (Hungary)--Relations--Austria--Vienna--Congresses.
Vienna (Austria)--Intellectual life--Congresses.
Vienna (Austria)--Relations--Hungary--Budapest--Congresses.
Harvard subject headings:
Arts--Austria--Vienna--History--Congresses.
Arts--Hungary--Budapest--History--Congresses.
Budapest (Hungary)--Intellectual life--Congresses.
Budapest (Hungary)--Relations--Austria--Vienna--Congresses.
Vienna (Austria)--Intellectual life--Congresses.
Vienna (Austria)--Relations--Hungary--Budapest--Congresses.
Princeton subject headings:
Arts--Austria--Vienna--History--Congresses.
Arts--Hungary--Budapest--History--Congresses.
Budapest (Hungary)--Intellectual life--Congresses.
Budapest (Hungary)--Relations--Austria--Vienna--Congresses.
Vienna (Austria)--Intellectual life--Congresses.
Vienna (Austria)--Relations--Hungary--Budapest--Congresses.