Nam-Pukhan sanŏp hyŏmnyŏk kibon chŏllyak kwa sirhaeng panganSŏk-ki Yi · First published 2007Open the Tome
East Sea in old western maps with emphasis on the 17-18th centuriesKi-sŏk Yi · First published 2004Open the Tome
Pukhan ŭi sanŏp palchŏn chamjaeryŏk kwa nambuk hyŏmnyŏk kwajeSŏk-ki Yi · First published 2013Open the Tome
