Sŏk-kyu Sŏl

• Chosŏn chunggi sarim ŭi tohak kwa chŏngch'i ch'ŏrhak
• Chosŏn sidae yusaeng sangso wa kongnon chŏngchʻi
• Chunghwa t'angp'yŏng ŭi sŏlgyeja Yŏhŏn Chang Hyŏn-kwang