Seek history books or books about the development of textile embroidery in the Tang Dynasty.

The Dunhuang remains can be found, in addition, Mr. Cen Zhongmian's "Sui and Tang History" can be found, and Mr. Xiangda's "Tang Dynasty Chang'an and Western Civilization" also has some, of course, it is best to read the original canon of the "Book of the Tang", "New Book of the Tang", etc., and in addition, there are a lot of notes of the Tang Dynasty, it is worth reading. And, of course, the local histories in the Guotu are worth checking out.

It is not easy to do the history of the Tang Dynasty, and the difficulty is that there are too many historical materials.