Public domain
Chūyō Kōryaku [1]
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Credit line中庸講畧 [1]. 1891. 田村, 看山, 1820-1894. National Diet Library, Japan. Public domain.
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.