Parhaesa : yŏnʼgu nonjŏ mongnok /

Published 2005

Chungguk ŭi Koguryŏ yŏnʾgu : yŏnʾgu tonghyang, yŏnʾguja, yŏnʾgu nonjŏ mongnok /

by Yi, In-chʻŏl, 1958-
Published 2006

Koguryŏ Yŏnʼgu Chaedan yŏnʼgu charyo pʻyŏllamjip

Published 2005

Chungguk ŭi Koguryŏ yŏnʼgu : yŏnʼgu tonghyang, yŏnʼguja, nonjŏ mongnok /

by Yi, In-ch'ŏl, 1958-, Yi, In-ch'ŏl, 1958-, Yi, In-ch'ŏl, 1958-, Yi, In-chʻŏl, 1958-, Yi, In-chʻŏl, 1958-
Published 2006

Paekche yŏnʼgu nonjŏ chʻongnam

Published 1982

Koguryŏsa : yŏnʼgu nonjŏ mongnok /

Published 2004