Hŏn-gyu Im

• "Taehak" ŭi chonghapchŏk koch'al
• Chuja ŭi sasŏhak kwa Tasan Chŏng Yag-yong ŭi pip'an
• Kongja esŏ Tasan Chŏng Yag-yong kkaji
• Soyu ŭi yongmang, i ran muŏt in'ga
• Yuga ŭi simsŏngnon kwa hyŏndae simni chʻŏrhak
• Yugyo inmunhak ŭi inyŏm kwa pangbŏp
• 노자