龜峯集
By: Song Ik-pʻil chŏ ; Kim Tong-ju yŏk ; chʻaegim kyoyŏl, Sŏng Nak-hun
Series: Hanʾguk ŭi sasang taejŏnjip -- 11
Publisher: Tonghwa Chʻulpʻan Kongsa
Published: 1972
Place of publication: Sŏul
Language: kor
Subjects: Korean Philosophy; Civilization
Other titles: Kwibong chip