Columbia subject headings:
International law--History.
Japan--Foreign relations--1868-1912.
Japan--Foreign relations--To 1868.
Harvard subject headings:
International law--History.
Japan--Foreign relations--1868-1912
Japan--Foreign relations--To 1868.
Princeton subject headings:
International law--History.
Japan--Foreign relations--1868-1912.
Japan--Foreign relations--To 1868.