Columbia subject headings:
Harvard subject headings:
Ambassadors--Japan--History.
East Asia--Foreign relations--Japan.
Japan--Foreign relations--1185-1600.
Japan--Foreign relations--East Asia.
Local government--Japan--History
State-local relations--Japan--History.
Princeton subject headings:
East Asia--Foreign relations--Japan.
Japan--Foreign relations--1185-1600.
Japan--Foreign relations--East Asia.