Columbia subject headings:
Harvard subject headings:
Japan--History--1926-1945
Nobility--Japan--Diaries.
Okabe, Nagakage, 1884-1970--Diaries.
Statesmen--Japan--Diaries.
Princeton subject headings:
Diaries.
Japan--History--1926-1945.
Nobility--Japan--Diaries.
Okabe, Nagakage, 1884-1970. Diaries.
Statesmen--Japan--Diaries.