Columbia subject headings:
Cantar de mío Cid.
Crónica de veinte reyes.
Literature and history.
Spain--History--711-1516--Historiography.
Harvard subject headings:
Cantar de mío Cid.
Crónica de veinte reyes.
Literature and history--Spain.
Spain--History--711-1516--Historiography.
Princeton subject headings:
Cantar de mío Cid.
Crónica de veinte reyes.