Columbia subject headings:
Harvard subject headings:
Japan--Foreign relations--1600-1868.
Japan--Foreign relations--1868-1912
Japan--History--Restoration, 1853-1870.
Princeton subject headings:
East Asia--Foreign relations--Japan.
Japan--Foreign relations--1600-1868.
Japan--Foreign relations--1868-1912.
Japan--History--Restoration, 1853-1870.