Columbia subject headings:
Harvard subject headings:
Admirals--Japan--Diaries.
Japan--Military relations.
Japan. Kaigun--History.
Katō, Hiroharu, 1870-1939.
Princeton subject headings:
Admirals--Japan--Diaries.
Japan--Military relations.
Japan. Kaigun--History.
Katō, Hiroharu, 1870-1939.