Columbia subject headings:
Harvard subject headings:
Japan--Biography.
Japan--History--Restoration, 1853-1870--Biography.
Katsu, Kaishū, 1823-1899
Sakamoto, Ryōma, 1823-1899.
Princeton subject headings:
Japan--Biography.
Japan--History--Restoration, 1853-1870--Biography.
Katsu, Kaishū, 1823-1899.
Sakamoto, Ryōma, 1823-1899.