Columbia subject headings:
Harvard subject headings:
China--Foreign relations--Vietnam.
Li, Hongzhang, 1823-1901
Statesmen--China--Biography.
Vietnam--Foreign relations--China.
Princeton subject headings:
China--Politics and government--19th century.
China--Relations--Vietnam--19th century.
Li, Hongzhang, 1823-1901--Political activity.
Statesmen--Political activity--China.
Vietnam--History--19th century.
Vietnam--Relations--China--19th century.