INFO:

Old Korean (details unknown, recorded with Chinese characters) → Middle Korean 중세 국어 (recorded with hangeul letters). The Seokbosangjeol (釋譜詳節 석보상절) is a Korean biography of Buddha, collected and compiled by Prince Suyang (later King Sejo) of Joseon. The text was first published in 24 volumes in 1447 C.E. https://upload.wikimedia.org/wikipedia/commons/5/51/%E9%87%8B%E8%AD%9C%E8%A9%B3%E7%AF%80%28%EC%A0%9C6%EA%B6%8C%29.pdf http://repository.tufs.ac.jp/handle/10108/68123 https://ja.wikipedia.org/wiki/%E4%B8%AD%E6%9C%9F%E6%9C%9D%E9%AE%AE%E8%AA%9E http://mklabo.main.jp/mkindex.html http://www.tougokudb.jp/index.html