 The earliest of them only survive in fragments or quotations within Chinese classic texts.For example, the "Shizhoupian" was compiled by one or more historians in the court of King Xuan of Zhou (r. 827 BCE – 782 BCE), and was the source of the 籀文 zhòuwén variant forms listed in the Han Dynasty Shuowen Jiezi dictionary.The "Cangjiepian" "Chapters of Cang Jie"), named after the legendary inventor of writing, was edited by Li Si, and helped to standardize the Small seal script during the Qin Dynasty.