Columbia subject headings:
Harvard subject headings:
Sakai, Toshihiko, 1870-1933
Sekirankai (Japan)--History.
Socialism--Japan--History
Socialists--Japan--Biography
Women and socialism--Japan--Societies, etc.--History.
Princeton subject headings:
Socialism--Japan--History.
Socialists--Japan--Biography.
Women and socialism--Japan--Societies, etc.--History.