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1Imnaguk kwa Taemado /任那國과對馬島 /by Yi, Pyŏng-sŏn, 1927-Subjects: “...Names, Geographical Japan Tsushima Island....”
Published 1987
Book -
2Hanʼguk kodae kungmyŏng chimyŏng yŏnʼgu /韓國古代國名地名硏究 /by Yi, Pyŏng-sŏn, 1927-Subjects: “...Names, Geographical Korea....”
Published 1988
Book