Tongzhi

He wrote the Tongzhi (“General Treatises”), a famous institutional history of China from its beginnings through the Tang dynasty (618–907). In this work he discussed subjects such as philology, phonetics, and the development of families and clans, none of which had been systematically explored before. Zheng’s method and…

Zheng Qiao (1108–66) compiled the Tongzhi (“General Treatises”), an original work with a strong personal contribution; the printed edition (1747) was in 118 volumes. One of the richest and most important of all Chinese encyclopaedias, the Yuhai (“Sea of Jade”), was compiled about 1267 by the renowned Song scholar Wang…