Columbia subject headings:
Spain--Civilization--711-1516.
Spain--Civilization--To 711.
Sánchez-Albornoz, Claudio, 1893-1984.
Harvard subject headings:
Spain--Civilization--711-1516.
Spain--Civilization--To 711.
Sánchez-Albornoz, Claudio, 1893-1984.
Princeton subject headings:
Sánchez-Albornoz, Claudio, 1893-1984.
Spain--Civilization--711-1516.
Spain--Civilization--To 711.