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Chin-chʻŏl Kang
1917
Hanʾguk chungse tʻoji soyu yŏnʾgu
Hanʾguk sahoe ŭi yŏksa sang
Kaejŏng Koryŏ tʻoji chedosa yŏnʼgu
Koryŏ tʻoji chedosa yŏnʼgu
Segyesa e pichʻun Hanʾguk ŭi yŏksa