Chʻŏrhak yŏnʼgu.

no.1-3 (1966-68); no.4-6 (1969-71); no.7-10 (1972-75); no.11 (1976); no.12 (1977); no.13 (1978); no.14 (1979); no.15 (1980); no.14-16 1979-1981; no.16 (1981); no.17 (1982); no.18 (1983); no.19 (1984); no.20 (1985); no.21-23 (1986-88); no.24 (1988); no.24-25 1988-1989; no.25 (1989); no.26-27 (1990); no.28 1991; no.28-29 (1991); no.30 (1992); no.33 (1993); no.34 (1994); no.35 (1994); no.36 (1995); no.37 (1995); no.39-41 (1996-97); no.42-43 (1998); no.44-45 (1999); no.46-47 (1999); no.48-49 (2000); no.50-51 (2000); no.52 2001 Spring; no.52-53 (2001); no.53 2001; no.54-55 (2001); no.56 2002 Spring; no.57 2002 Summer; no.59 2002 Winter; no.60 2003 Spring; no.61 2003 Summer; no.62 2003 Fall; no.63 2003 Winter; no.64 2004 Spring; no.65 2004 Summer; v.66 2004 Autumn; v.67 2004 Winter; v.82 2008 Autumn; v.83 2008 Winter; v.84 2009 Spring; v.85 2009 Summer