Columbia subject headings:
Harvard subject headings:
China--Capital and capitol--History--Congresses.
Cities and towns--China--History--Congresses.
Cities and towns--Japan--History--Congresses.
Fortification--China--History--Congresses.
Fortification--Japan--History--Congresses.
Japan--Capital and capitol--History--Congresses.
Princeton subject headings:
China--Capital and capitol--History--Congresses.
Cities and towns--China--History--Congresses.
Cities and towns--Japan--History--Congresses.
Fortification--China--History--Congresses.
Fortification--Japan--History--Congresses.
Japan--Capital and capitol--History--Congresses.