Columbia subject headings:
Harvard subject headings:
China--History--20th century--Congresses.
China--History--Ming dynasty, 1368-1644--Congresses.
China--History--Qing dynasty, 1644-1912--Congresses.
Princeton subject headings:
China--History--20th century--Congresses.
China--History--Ming dynasty, 1368-1644--Congresses.
China--History--Qing dynasty, 1644-1912--Congresses.