Title: Li shi, she hui yu wen xue
Description: Summary in vernacular field only.
Subjects: History, Politics and government, Social conditions, Chinese literature, History and criticism
Places: China
People: Sengru Niu (779-847), Deyu Li (787-849)
Time periods: Tang dynasty, 618-907, 581-907, 221 B.C.-960 A.D.