Ch'ungju Koguryŏbi /

by Ko, Kwang-ŭi, Cho, Yong-hun, Sin, Pit, An, Chae-hong, 1971-
Published 2021

Hyejŏng sojangbon Kwanggaet'o T'aewangpi wŏnsŏk t'akpon /

by Ko, Kwang-ŭi, Ko, Kwang-ŭi
Published 2014

Hwanghae-bukto Pongsan-gun Ch'ŏndŏng-ni Sindae-dong Koguryŏ mudŏm /

Published 2019

Hyejŏng sojangbon Kwanggaet'o T'aewang pi wŏnsŏk t'akpon /

by Ko, Kwang-ŭi, Ko, Kwang-ŭi, Ko, Kwang-ŭi
Published 2014