Columbia subject headings:
Harvard subject headings:
Christian civilization--Miscellanea.
Civilization, Medieval--Miscellanea.
Historiography--Korea (South)
Sungsil Taehakkyo (Seoul, Korea)--History.
Princeton subject headings:
Civilization, Medieval.
Europe--History--476-1492--Historiography.
Historiography--Korea (South).
Middle Ages--Historiography.