Public domain
Koyo Gunkan, Volume 20
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Credit line甲陽軍鑑 巻第二十. 〔江戸中期〕. National Diet Library, Japan. Public domain.
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
