Mr.Yin Da s Academic Road:from the Study of Archaeology to the Study of Historiography;

Universal Axiom Reflected from Cuisine——The Representative Significance of Yi Yin & Pao Ding;

In combination of the unearthed documents and through a detailed examination of them, the essay comes to a conclusion that Zuotu and Zhengyin were the two versions of the same official title in the ancient Kingdom of Chu, something like the title of "Xingren" in the central region of ancient China, who was in charge of diplomatic affairs.

The Classification of SONG Xing School and YIN Wen School;