Columbia subject headings:
Harvard subject headings:
East Asia--Foreign relations--Japan
Japan--Civilization--794-1185
Japan--Civilization--Chinese influences
Japan--Civilization--To 794
Japan--Foreign relations--East Asia
Japan--Foreign relations--To 1600
Japan--Politics and government--794-1185
Princeton subject headings:
East Asia--Foreign relations--Japan.
Japan--Foreign relations--East Asia.
Japan--Foreign relations--To 1600.
Japan--Politics and government--794-1185.