Tongyang Ch'ŏksik Chusik Hoesa ŭi t'oji sut'al kwa Kungsam-myŏn t'oji t'arhwan undongKyu-su Yi · First published 2021Open the Tome
Han'gŭl e pit ŭl palk'in ŏmun minjokchuŭija Chu Si-gyŏngKyu-su Yi · First published 2014Open the Tome
Kŭndae chŏnhwanʼgi Tong Asia sok ŭi HanʼgukChae-gyo Chin, Kyŏng-sŏk Im, Kyu-su Yi · First published 2004Open the Tome
Kindai Chosen ni okeru shokuminchi jinushisei to nomin undoKyu-su Yi · First published 1996Open the Tome
