At Dinggong was recovered several ostraca, pottery sherds with incised Chinese characters. The Dinggong ostraca are very early examples of writing, predating the written history of China by about 800 years.
Yang, Xiaoneng. 2004. Chinese Archaeology in the Twentieth Century: New Perspectives on China's Past. Yale University Press, New Haven.
This glossary entry is part of the Dictionary of Archaeology.