Chʻŏr-u Yi

1957

• Hanbando chʻŏlto wa chʻŏl ŭi silkʻŭ rodŭ ŭi chŏngchʻi kyŏngjehak
• Hanʼguk sahoe ŭi koryŏnghwa hyŏnsang kwa sahoe chŏngchʻaekchŏk taeŭng pangan
• Hyŏndae sahoe munje