These works were often implemented by order of the Emperor in China, where they set a tough standard to incorporate scriptures so that the scriptures that were not of the standard were called 'Zougai (蔵外).'
この作業は、中国では皇帝名で行われることが多く、編入される書物の基準が厳格で、基準外のものは「蔵外（ぞうがい）」と称された。