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