Columbia subject headings:
Diet--Congresses.
Food habits--History--Congresses.
Food--Congresses.
Nutrition--Congresses.
Harvard subject headings:
Diet--Congresses.
Diet--France--History--Congresses.
Diet--Social aspects--Congresses.
Food habits--Congresses
Food habits--France--History--Congresses.
Food habits--History--Congresses.
Food--Congresses
Nutrition--Congresses
Princeton subject headings:
Food habits--Congresses.
Food--Congresses.