Yi, Hyŏng-suk. <br/><br/>
Choyonghan sŭlpʻŭm / 
Yi Hyŏng-suk chŏ. 
 - Chʻopʻan. 
 - Sŏul :  Inʼgansa,  1963. 
 - 244 p. :  port. ;  19 cm. 
<br/><br/><label>LCCN: </label>k  67000133  
<br/><br/><label>LC Class. No.: </label>PL992.9.H9  / C5