Sŏul kyot'ong chŏngch'aek pyŏnch'ŏnsa 1953-2016Yi, Kwang-hun (Researcher in transportation policy) · First published 2017Open the Tome
Nyuyok, Nyujŏji chiyŏk ŭi Han'guk hakkyoYi, Kwang-ho (Writer on Korean school in New York area), Pyong Gap Min · First published 2015Open the Tome
Han'guk hyŏndae tanp'yŏn Ilche kangjŏmgi 44Tong-in Kim, Yi, Kwang-su, Mi-sun Kim · First published 2013Open the Tome
Chung-Han p'ŭroret'aria munhak undong pigyo yŏn'guYi, Kwang-jae (Researcher in Korean literature) · First published 2004Open the Tome
Tu kae ŭi p'urŭn kusŭlHyŏng-ŭn Kim, Ki-bong Chang, Chung-dŏk Chŏng, In-myŏng Kim, Hyŏng-guk An, Yŏng-gap Pak, Yi, Yŏng-nim (Illustrator), Chŏng, Kwang-su (Illustrator) · First published 1998Open the Tome
