Columbia subject headings:
Diet--Germany--History.
Food habits--Germany--History.
Industries--Social aspects--Germany--History.
Nutrition--History.
Harvard subject headings:
Diet--Germany--History.
Food habits--Germany--History.
Industries--Social aspects--Germany--History.
Nutrition--History
Princeton subject headings:
Diet--Germany--History.
Food habits--Germany--History.
Industries--Social aspects--Germany--History.
Nutrition--History.