Columbia subject headings:
Harvard subject headings:
Japan--History--Restoration, 1853-1870--Biography.
Sakamoto, Ryōma, 1836-1867
Samurai--Japan--Biography
Takasugi, Shinsaku, 1839-1867
Princeton subject headings:
Japan--History--Restoration, 1853-1870.
Sakamoto, Ryōma, 1836-1867.
Samurai--Japan--Biography.
Takasugi, Shinsaku, 1839-1867.