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changga

Koryŏ siga ŭi chŏngsŏ

By Tae-haeng Kim

Manhoeng chongnyu

By Kyu-ik Cho,Kyu-ik Cho

Hanʼguk kayo ŭi yŏnʼgu

By Kim, Tong-uk

Manhoeng chʻŏngnyu ŭi mihak

By Kyu-ik Cho

Koryŏ kayo yŏnʼgu ŭi hyŏnhwang kwa chŏnmang

By

Kyŏnggi chʻega yŏnʾgu

By Kyŏng-ju Pak

Chʻŏyong yŏnʼgu chŏnjip

By Kyŏng-su Kim

Kyonggiche ka yongu (Tongak Omun Hakhoe haksul chongso)

By Im, Ki-jung.

Kyŏnggichʻe ka yŏnʾgu

By Im, Ki-jung.

Hyangga wa Koryo kayo

By Kim, Wan-jin.

Koryŏ sogyo ŭi chŏnsŭng kwa hwaksan

By Myŏng-jun Kim

Koryŏ kayo ŭi haesŏk kwa iron

By Sŏn-gi Kim

Koryŏ sogyo wa kach'ang konggan

By Yŏng-t'ae Yi

Kogayo ŭi chusŏkchŏk yŏn'gu

By Hŏn-gyu Kang

Chʻangga wa sinsi ŭi hyŏngsŏng yŏnʼgu =

By Pyŏng-sŏn Kim

Sŏjŏng siga ŭi insik kwa mihak

By Chae-nam Chʻoe

Koryŏ sogyo ŭi chŏnsŭng yŏnʾgu

By Mi-jŏng Chʻoe

Kaejŏngpʻan Koryŏ sogyo chipsŏng

By Myŏng-jun Kim

Koryŏ norae sokka ŭi sahoe paegyŏngjŏk yŏnʾgu

By Kʻwae-dŏk Kim

Koryŏ sokka ŭi yŏnʼgu

By Kʻwae-dŏk Kim

Koryo kayo

By Chŏng-ju Kim

Koryŏ chʻŏyong ka ŭi mihakchŏk chŏnsŭng

By Su-gyŏng Kim

Koryŏ sogyo wa kinyŏ

By Yŏng-tʻae Yi

Koryŏ kayo ŭi ŭmakchŏk yŏnʾgu

By Tʻae-sun Yang