Columbia subject headings:
Harvard subject headings:
Diet--Portugal--History--20th century.
Diet--Portugal--History--21st century.
Food habits--Portugal--History--20th century.
Food habits--Portugal--History--21st century.
Nutrition--Portugal--History--20th century.
Nutrition--Portugal--History--21st century.
Princeton subject headings:
Diet--Portugal--History--20th century.
Diet--Portugal--History--21st century.
Food habits--Portugal--History--20th century.
Food habits--Portugal--History--21st century.