Hanʾguk chaejŏng ŭi kundaehwa kwajŏng /

by Yi, Ch'ang-se
Published 1965

Na nŭn yŏnghwa ka chot'a /

by Yi, Ch'ang-se, Yi, Ch'ang-se, Yi, Chʻang-se
Published 2011

Hanʼguk chaejŏng ŭi kŭndaehwa kwajŏng /

by Yi, Ch'ang-se, Yi, Chʻang-se
Published 1971

Chosŏn ku sŏgo

Published 1973