Kim, Su-yong, Pong-sŭng Sin, Ch'ŏn-man Kim, Yŏng-gyun Sin, Chŭng-nyŏ Chu, Chŏng-sun Hwang, and Yun-bok Yi. <i>Chŏ Hanŭl Edo Sŭlp'ŭm i =: Sorrow Even Up In Heaven.</i> Sŏul: Blue Kino, 2015.