Columbia subject headings:
Harvard subject headings:
Castile (Spain)--History--Sources.
Códice Oviedo.
Leon (Kingdom)--History--Sources.
Manuscripts, Spanish--Spain--Oviedo.
Princeton subject headings:
Castile (Spain)--History--Sources.
Códice Oviedo.
Leon (Kingdom)--History--Sources.
Manuscripts, Spanish--Spain--Oviedo.