Columbia subject headings:
Harvard subject headings:
Authors, Japanese--Meiji period, 1868-1912--Political and social views.
Ishikawa, Takuboku, 1885-1912--Political and social views.
Kōtoku, Shūsui, 1871-1911--Influence.
Princeton subject headings:
Authors, Japanese--Japan--Meiji period, 1868-1912.
Ishikawa, Takuboku, 1885 or 1886-1912--Political and social views.