Ko, Wŏn, 1925- Onŭl ŭn mŏlgo : Ko Wŏn sijip. - Sŏul : Tongmin Munhwasa, 1963. - 121 p. ; 21 cm. Poems. LCCN: k 63000366 LC Class. No.: PL992.42.W6 / O58 1963