Columbia subject headings:
Harvard subject headings:
Intellectuals--Japan--Kumamoto-han--Biography.
Kumamoto-han (Japan)--Intellectual life--19th century.
Yokoi, Shōnan, 1809-1869--Friends and associates.
Princeton subject headings:
Intellectuals--Japan--Kumamoto-ken--Biography.
Kumamoto-ken (Japan)--Intellectual life--19th century.
Yokoi, Shōnan, 1809-1869--Friends and associates.