Title: Pyŏl ŭl poyŏ tŭrimnida : Yi Ch'ŏng-jun o chugi kinyŏm ch'ulp'an /
Authors: Yi, Ch'ŏng-jun
Year: 2013
Contents: v. 1. Yi Ch'ŏng-jun ch'angjakchip -- v. 2. Purhok ŭi sewŏl i namgin kiroktu.