Columbia subject headings:
Balkan Peninsula--Social life and customs--Congresses.
Drinking customs--Balkan Peninsula--Congresses.
Food habits--Balkan Peninsula--Congresses.
Harvard subject headings:
Balkan Peninsula--Social life and customs--Congresses.
Drinking customs--Balkan Peninsula--Congresses.
Food habits--Balkan Peninsula--Congresses.
Princeton subject headings:
Balkan Peninsula--Social life and customs--Congresses.
Drinking customs--Balkan Peninsula--Congresses.
Food habits--Balkan Peninsula--Congresses.