Columbia subject headings:
East Asia--Foreign relations--19th century.
Japan--Foreign relations--1868-1912--Treaties--Revision.
Unequal treaties--19th century.
Harvard subject headings:
East Asia--Foreign relations--Treaties.
Japan--Foreign relations--1868-1912
Japan--Foreign relations--1868-1912--Treaties.
Princeton subject headings:
East Asia--Foreign relations--Treaties.
Japan--Foreign relations--1868-1912--Treaties.
Japan--Foreign relations--1868-1912.