Columbia subject headings:
Harvard subject headings:
China--History--19th century--Dictionaries.
China--History--20th century--Dictionaries.
Communism--China--History--Dictionaries.
Princeton subject headings:
China--History--19th century--Dictionaries--Chinese.
China--History--20th century--Dictionaries--Chinese.
Communism--China--History--Dictionaries--Chinese.