Columbia subject headings:
Harvard subject headings:
International relations--History--20th century
Japan--Foreign relations--1868-1912
Japan--Foreign relations--1912-1945.
Security, International--History--20th century.
Princeton subject headings:
International relations--History--20th century.
Japan--Foreign relations--1868-1912.
Japan--Foreign relations--1912-1945.
Security, International--History--20th century.