Li Yong's "Duanzhou Stone Chamber"

 An official book inscription from the Tang Dynasty. Li Yongshu. It was carved on Qixing Rock in Duanzhou in the 15th year of Kaiyuan. The article has a total of eighteen lines, with a full line of twenty-three characters. The calligraphy is sparse and sharp, making it one of the famous Tang regular scripts. There are photocopies of this book.