Columbia subject headings:
Harvard subject headings:
Chinese poetry--Tang dynasty, 618-907--History and criticism
Princeton subject headings:
Bao, Rong, jin shi 809--Criticism and interpretation.
He, Zhizhang, 659-744--Criticism and interpretation.
Zhang, Ruoxu, active 711--Criticism and interpretation.
Zhang, Xu, active 7th century-8th century--Criticism and interpretation.