"Philosophy Confucianism Yul-Gok." . . . . . . "Yul'gok ŭi yŏn'gu : [Ch'ŏrhak]" . "栗谷의硏究" . . . . "Yulgok ŭi yŏn'gu" . "Yulgok ŭi yŏngu : [Ch'ŏrhak]" . . . . . . . . "栗谷의 研究 : [哲學]" . . . . "A Study of Yul-Gok Lee, 1536-1584" . "Yulgog ui yon'gu" . . "Social Sciences and Humanities Research Center of Korea." . .