Columbia subject headings:
Budapest (Hungary)--Social life and customs--Congresses.
Crowds in literature.
European literature--20th century--Congresses.
Vienna (Austria)--Social life and customs--Congresses.
Harvard subject headings:
Arts--Austria--Vienna--History--Congresses.
Arts--Hungary--Budapest--History--Congresses.
Austria--Civilization--Congresses.
Budapest (Hungary)--Intellectual life--Congresses.
Budapest (Hungary)--Relations--Austria--Vienna--Congresses.
Hungary--Civilization--Congresses.
Mass--Celebration--Congresses.
National characteristics, Austrian--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.
Austria--Civilization--Congresses.
Budapest (Hungary)--Intellectual life--Congresses.
Budapest (Hungary)--Relations--Austria--Vienna--Congresses.
Hungary--Civilization--Congresses.
Mass--Celebration--Congresses.
National characteristics, Austrian--Congresses.
Vienna (Austria)--Intellectual life--Congresses.
Vienna (Austria)--Relations--Hungary--Budapest--Congresses.