Do you have pen regular script copybooks in Chen Gongzhe?

There are pen regular script copybooks in Chen Gongzhe. According to the relevant public information, it is shown that the earliest pen Copybook for calligraphy was discovered in 1935, when Chen Gongzhe's pen calligraphy was published in thousands of words, and Zhang Taiyan's preface was the first work of pen Copybook for calligraphy, which marked the germination of early pen calligraphy in China.