Public domain
Shinpen Sanshaku Keimō, Volume 4
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Subjects
Credit line新編算學啓蒙 第4冊. 元禄3 [1690]. 建部, 賢弘, 1664-1739. National Diet Library, Japan. Public domain.
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