Pass it down slowly.
One hundred volumes of the Sound and Meaning of the Classics, written by Tang Lin.
"Guang Yun" is the full name of "Rebuilding Guang Yun in the Great Song Dynasty", a five-volume book, the official rhyme book of the Northern Song Dynasty, the first year of Song Zhenzong Dazhong Xiangfu (1008
Years), compiled by Chen Pengnian, Qiu Yong and others on the basis of previous rhymes.
Ji Yun was completed in the second year of Renzong Baoyuan (1039), and Song Renzong ordered Ding Du and others to rebuild Guang Yun.
Philology: Jade, Southern Dynasties Liang, Gu.
Yan Sunyuan in Tang Dynasty in the Book of Ganlu Zi
Tang Duxuan in Nine Classics
The Hand Mirror at the Dragon Point was written in Liao Dynasty.