Columbia subject headings:
Food habits--Italy--History.
Italy--Social life and customs.
Milk as food--Italy.
Harvard subject headings:
Food habits--Italy--History
Food habits--Italy--Po River Valley--History.
Food in literature.
Gastronomy in literature.
Italy--Social life and customs.
Milk as food--Italy.
Milk in literature.
Milk--Italy--Po River Valley--History.
Po River Valley (Italy)--Social life and customs.
Princeton subject headings:
Food habits--Italy--Po River Valley--History.
Food in literature.
Milk in literature.
Milk--Italy--Po River Valley--History.
Po River Valley (Italy)--Social life and customs.