Yong-sŏn Yi

1959

• Chŏnggi sijang ŭi kujo wa kinŭng pyŏnhwa yŏnʼgu
• Insam, yakch'o rŭl hwaryong han sikp'um kagong sanŏp palchŏn chŏllyak
• Kimch'i sanŏp ŭi chungjanggi palchŏn chŏllyak
• Sin sŏngjang tongnyŏk palgul ŭl wihan wŏnye, t'ŭkchak sanŏp palchŏn chŏllyak (1/2-yŏnch'a)
• Sinsŏn p'yŏni nongsanmul sijang ŭi silt'ae wa hwalsŏnghwa pangan
• Suip chʻŏnggwamul ŭi yutʻong chʻegye yŏnʼgu