Where can I find Copybook for calligraphy in Tai 'an?

General bookstores in Tai 'an sell Copybook for calligraphy and Copybook for calligraphy, all of which are samples of writing and copying. There are two kinds of stickers, one is stone rubbings and the other is ink. The former is also called stele study, and the latter is also called post-study. Due to historical reasons, most of the south is dominated by stele studies, while most of the north is dominated by stele studies. There is a saying that the south is attached to the north.