Columbia subject headings:
East Asia--Foreign relations--Japan.
Japan--Foreign relations--1600-1868.
Japan--Foreign relations--East Asia.
Harvard subject headings:
East Asia--Foreign relations--Japan.
Japan--Foreign relations--1600-1868.
Japan--Foreign relations--East Asia.
Princeton subject headings:
East Asia--Foreign relations--Japan.
Japan--Foreign relations--1600-1868.
Japan--Foreign relations--East Asia.