Columbia subject headings:
Harvard subject headings:
Kitazato, Shibasaburō, 1853-1931.
Plague--China--Hong Kong--Research--History--19th century.
Plague--History
Plague--Research--China--Hong Kong--History--19th century.
Yersin, Alexandre, 1863-1943.
Princeton subject headings:
Kitazato, Shibasaburō, 1853-1931.
Plague--History.
Plague--Research--China--Hong Kong--History--19th century.
Yersin, Alexandre, 1863-1943.