Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Spain--Asturias--History.
Artisans--Spain--Asturias--Economic conditions.
Asturias (Spain)--Economic conditions.
Princeton subject headings:
Agriculture--Economic aspects--Spain--Asturias--History.
Artisans--Economic conditions--Spain--Asturias.
Asturias (Spain)--Economic conditions.