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