The Buddhist canons in classical chinese translation.
"The Tripitaka Koreana was compiled over a period of 15 years from 1236 to 1251 under the command of King Gojong of the Goryeo dynasty, who sought to solicit the mercy of the Buddha to expel the brutal Mongol invaders. ..."
-- from http://www.ocp.go.kr/english/treasure/dom_hae.html
Just for those ...