Columbia subject headings:
Japan--Foreign economic relations--Congresses.
Japan--Foreign relations--1945-1989--Congresses.
Harvard subject headings:
Japan--Foreign economic relations--Congresses.
Japan--Foreign relations--1945---Congresses.
Japan--Foreign relations--1945-1989--Congresses.
Princeton subject headings:
Japan--Foreign economic relations--Congresses.
Japan--Foreign relations--1945---Congresses.