Columbia subject headings:
China--Antiquities.
Chinese drama--Song dynasty, 960-1279--History and criticism.
Harvard subject headings:
China--Antiquities.
Chinese drama--Song dynasty, 960-1279--History and criticism.
Theater--China--Anecdotes.
Princeton subject headings:
China--Antiquities.
Chinese drama--Song dynasty, 960-1279--History and criticism.
Theater--China.