Columbia subject headings:
Carolingians.
Civilization, Medieval.
Europe--History--476-1492.
France--History--To 987.
France--Kings and rulers.
Middle Ages.
Harvard subject headings:
Carolingians.
Civilization, Medieval.
Europe--History--476-1492.
France--History--To 987.
France--Kings and rulers.
Middle Ages.
Princeton subject headings:
Carolingians.
Charlemagne, Emperor, 742-814.
France--History--To 987.