Columbia subject headings:
Harvard subject headings:
Chinese essays--Song dynasty, 960-1279--History and criticism.
Chinese essays--Tang dynasty, 618-907--History and criticism.
Pian wen--History and criticism.
Princeton subject headings:
Chinese literature--Song dynasty, 960-1279--History and criticism.
Chinese literature--Tang dynasty, 618-907--History and criticism.
Pian wen--History and criticism.