Columbia subject headings:
Europe, Central--Social life and customs--Congresses.
Europe, Eastern--Social life and customs--Congresses.
Festivals--Europe, Central--Congresses.
Festivals--Europe, Eastern--Congresses.
Festivals--Hungary--Congresses.
Hungary--Social life and customs--Congresses.
Harvard subject headings:
Europe, Central--Social life and customs--Congresses.
Festivals--Europe, Central--History--Congresses.
Festivals--Hungary--History--Congresses.
Germans--Hungary--History--Congresses.
Hungary--Social life and customs--Congresses.
Princeton subject headings:
Europe, Central--Social life and customs--Congresses.
Europe, Eastern--Social life and customs--Congresses.
Festivals--Europe, Central--Congresses.
Festivals--Europe, Eastern--Congresses.
Festivals--Hungary--Congresses.
Hungary--Social life and customs--Congresses.