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yijo sillok

Chosŏn wangjo sillok inmyŏng saegin

By Sejong Taewang Kinyŏm Saŏphoe

Chosŏn wangjo sillokchung Sŏul kwallyŏn kisa saegin

By Sŏulhak Yŏnʾguso (Korea)