Columbia subject headings:
Harvard subject headings:
Nagasaki, Kōsai, 1799-1864--Correspondence.
Nagasaki, Kōsai, 1799-1864.
Ōtsuki, Gentaku, 1757-1827--Correspondence.
Physicians--Japan--Biography
Princeton subject headings:
Nagasaki, Kōsai, 1799-1864--Correspondence.
Nagasaki, Kōsai, 1799-1864.
Ōtsuki, Gentaku, 1757-1827--Correspondence.
Physicians--Japan--Biography.