Public domain
Xiangli Hengzhen, 10 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相理衡眞10卷首1卷 [4]. 道光13序. 清陳〓撰. National Diet Library, Japan. Public domain.