Columbia subject headings:
Building materials--Spain--Oviedo--History.
Oviedo (Spain)--Buildings, structures, etc.
Quarries and quarrying--Spain--Oviedo--History.
Harvard subject headings:
Building stones--Spain--Oviedo--History.
Oviedo (Spain)--Buildings, structures, etc.
Stone buildings--Spain--Oviedo--History.
Princeton subject headings:
Building materials--Spain--Oviedo--History.
Oviedo (Spain)--Buildings, structures, etc.
Quarries and quarrying--Spain--Oviedo--History.