Topique.

no.1-5 1969-1970; no.6-12 1971-1973; no.13-14 1974; no.15-18 1975-1977; no.18-23 (Jan 1977-May 19; no.19-24 1977-1979; no.24-29 (Dec 1979-Sept 1; no.25-28 1980-1981; no.29-32 1982-1983; no.33-36 1984-1985; no.37-41 (Mar 1986-Mar 19; no.37-38 1986; no.39-41 1987-1988; no.42-46 (Sept 1988-Dec 1; no.42-44 1988-1989; no.45-46 1990; no.47-48 1991; no.49-50 1992; no.51-52 1993; no.53-55 1994; no.56-58 1995; no.59-61 1996; no.62-63 1997; no.64-65 1998; no.66-67 1998; no.68-70 1999; no.71-73 2000; no.74-75(2001); no.76-77(2001); no.78-79(2002); no.80-81(2002); no.82-83(2003); no.84-85(2003); no.86-87(2004); no.88-89(2004); no.90-91(2005); no.92-93(2005); no.94-95(2006); no.96-97(2006); no.98-99(2007); no.100-101(2008); no.102-103(2008)