Public domain
Zhou Yi: Classic and Commentaries, 24 Volumes, Preface 1 Volume [4]
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Subjects
Credit line周易經傳24卷首1卷 [4]. 寛永4 [1627] 跋刊. 程, 頤, 1033-1107. National Diet Library, Japan. Public domain.