Columbia subject headings:
Harvard subject headings:
Japan--History--Shōwa period, 1926-1989--Chronology.
Japan--History--Shōwa period, 1926-1989--Dictionaries--Japanese.
Princeton subject headings:
Japan--History--Shōwa period, 1926---Chronology.
Japan--History--Shōwa period, 1926---Dictionaries--Japanese.