Public domain
Zhouyi Shouyi, 7 Volumes: Five, Six, Seven
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Subjects
Credit line周易守翼 7卷 五、六、七. 文政7 [1824] 寫. 倉成, 竜渚, 1748-1812. National Diet Library, Japan. Public domain.