Public domain
Kyōhō Selected Compilations [64] Volume 19, Part 1, Upper: Section on Dredging of Moats and Canals
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Subjects
Credit line享保撰要類集 [64] 十九ノ上 堀川浚之部. National Diet Library, Japan. Public domain.