Ŭisa sot'ong ŭi tamyŏnsŏng kwa pokhap chisikSang-gyu Sŏ, Nam-Kil Kim · First published 2017Open the Tome
New Millennium Dictionary of Korean Language & CultureCheong Soo Suh, Yoon-jung Cho, Michael Bujold, Nam-kil Kim, Jae-min Kim, Il-kon Kim, Young-whan Suh · First published 2003Open the Tome