Tong-sik Yi

1920

• Hanʾgugin ŭi chuchʻesŏng kwa to
• Hyŏndaein kwa sŭtʻŭresŭ
• Hyŏndaein ŭi chŏngsin kŏnʼgang
• Noiroje ŭi ihae wa chʻiryo