In which dynasty was Sun's Book Score written?

Sun Shupu is a work \x0d\ Tang Dynasty Sun (646 ~ 69 1), a calligrapher and calligraphy theorist in Tang Dynasty. Honesty is what you say. Wu Jun was born in Fuyang (now Fuyang, Zhejiang) and Liu Chen (now Kaifeng, Henan). \x0d\ Sun's Hao Gu, a literary work, named after the calligraphy room. He is good at writing letters, lines and cursive scripts, especially cursive scripts. There are three kinds of Sun's handed down books, namely, prose and Jing Fu Dian Fu, all of which are cursive ink, of which the most successful and influential. \x0d\ Author of the lost Book Spectrum Volume 2. The Preface to the Book Spectrum is divided into six parts: tracing the source, distinguishing the style of the book, evaluating the title, describing the brushwork, admonishing the scholar and hurting the confidant. It is profound and concise, and occupies an important position in the history of ancient calligraphy theory. Many of these arguments, such as the three stages of learning books and the five combinations in creation, are still meaningful today. There is an ink book score handed down from generation to generation.