Columbia subject headings:
Japan--Politics and government--1868-1912.
Japan--Politics and government--1912-1945.
Japan. Kaigun--History.
Harvard subject headings:
Japan--Politics and government--19th century.
Japan--Politics and government--20th century.
Japan. Kaigun--History--19th century.
Japan. Kaigun--History--20th century.
Princeton subject headings:
Japan--Politics and government--19th century.
Japan--Politics and government--20th century.
Japan. Kaigun--History--19th century.
Japan. Kaigun--History--20th century.