Public domain
Collection of Characters, Sounds, Rhymes, and Readings of the Lotus Sutra: 3 Volumes [1]
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Credit line法華経文字声韻音訓篇集 : 3巻 [1]. 寛永13(1636)跋. 快倫, 慶長頃. National Diet Library, Japan. Public domain.