What copybooks are worth copying?

The following are some copybook recommendations worthy of copying:

1. Preface to Lanting: known as the "best running script in the world", it is also a copybook that many running script lovers like to copy.

2. Yan Qinli Monument: The inscription written by Yan Zhenqing is one of the representative works of regular script in the Tang Dynasty.

3. The Stele of the Mysterious Pagoda: The inscription written by Liu Gongquan is one of the representative works of regular script in the Tang Dynasty.

4. Inscription of Liquan in Jiucheng Palace: The inscription written by Ou Yangxun is one of the representative works of regular script in Tang Dynasty.