Columbia subject headings:
Harvard subject headings:
Charlemagne, Emperor, 742-814--Military leadership.
France--History--To 987.
Roncesvalles, Battle of, Spain, 778
Spain--History--711-1516.
Princeton subject headings:
France--History--To 987.
Roncesvalles, Battle of, Spain, 778.
Spain--History--711-1516.