Columbia subject headings:
Socialism--Japan--Chronology.
Students--Political activity--Japan--Chronology.
World politics--Chronology.
Harvard subject headings:
Socialism--Japan--Chronology.
Students--Japan--Political activity--Chronology.
World politics--Chronology.
Princeton subject headings:
Socialism--Japan--Chronology.
Students--Japan--Political activity--Chronology.
World politics--Chronology.