Columbia subject headings:
Agriculture--Spain--Asturias--History.
Asturias (Spain)--History.
Spain--History--711-1516.
Harvard subject headings:
Agriculture--Spain--Asturias--History.
Asturias (Spain)--History
Spain--History--711-1516.
Princeton subject headings:
Asturias (Spain)--History.
Cattle--Spain--Breeding--History.
Spain--History--711-1516.