Columbia subject headings:
Harvard subject headings:
Japan--Foreign relations--1600-1868.
Japan--Foreign relations--1868-1912
Japan--Politics and government--1600-1868.
Japan--Politics and government--1868-1912.
Princeton subject headings:
Japan--Foreign relations--1600-1868.
Japan--Foreign relations--1868-1912.
Japan--Politics and government--1600-1868.
Japan--Politics and government--1868-1912.