Columbia subject headings:
Harvard subject headings:
Chŏlla-namdo (Korea)--History.
Korea--Civilization--To 935.
Korea--History--To 935.
Korea--Politics and government--To 935.
Yŏngsan River Region (Korea)--Civilization.
Princeton subject headings:
Chŏlla-namdo (Korea)--History, Local.
Korea--Civilization--To 935.
Yŏngsan River Region (Korea)--Civilization.