The Hacchu-daiini-bon, which used to be considered by some to be written by Cho Suiryo following the model, is currently presumed to have been written by an unknown person during the period of Baisong Dynasty following the model.
八柱第二本は褚遂良の臨摸ともされていたが、現在は北宋の無名の人の臨摸と推測されている。