Sŏng-hyŏk Yi

1967

• Mirae ŭi si rŭl hyanghayŏ
• Modŏnit'i e taehang hanŭn yŏngnin
• Purhwa ŭi sangsangnyŏk kwa kiŏk ŭi sihak
• Si, hyŏndaesa rŭl kwant'ong hada
• Si, sakŏn, yŏksa
• Sichŏk in kŏt kwa chŏngch'ijŏk in kŏt
• Sŏjŏngsi wa silchae