Columbia subject headings:
Harvard subject headings:
Japan--History--Restoration, 1853-1870--Sources.
Physicians--Japan--Correspondence.
Sado, Sanryō, 1820-1879.
Tsuboi, Shinryō, 1823-1904.
Princeton subject headings:
Japan--History--Restoration, 1853-1870--Sources.
Physicians--Japan--Correspondence.
Sado, Sanryō, 1820-1879.
Tsuboi, Shinryō, 1823-1904.