Incomplete series, following issues present:

Oct 1961; Jan 1968; Oct 1968; Mar 1969; Apr 1969; Jun 1972; May 1973; Feb 1975; May/Jun 1975; Sep/Oct 1975; Jan/Feb 1976; Mar/Apr 1976; Sep/Oct 1976; Nov/Dec 1976; Jan/Feb 1977; Oct 1977 Nov/Dec 1977; Sep/Oct 1978; Jan/Feb 1979; Mar/Apr 1979; Sep/Oct 1980; Nov/Dec 1980; Jan/Feb 1981; Mar/Apr 1981; May/Jun 1981; Jul/Aug 1981; Sep/Oct 1981; Nov/Dec 1981; Jan/Feb 1982; Mar/Apr 1982; May/Jun 1982; Jul/Aug 1982; Sep/Oct 1982; Nov/Dec 1982; Jan/Feb 1983; Mar/Apr 1983; Jul/Aug 1983; Sep/Oct 1983; Nov/Dec 1983; Jan 1984; Feb 1984; Mar 1984; Apr 1984; May 1984; Jun 1984; Jul 1984; Aug 1984; Oct 1984; Nov 1984; Feb 1985; Mar 1985; Apr 1985; May 1985; Jun 1985; Jul 1985; Aug 1985; Sep 1985; Oct 1985; Nov 1985; Feb 1986; Mar 1986; Apr 1986; May 1986; Jun 1986; Jul 1986; Aug 1986; Sep 1986; Oct 1986; Nov 1986; Dec 1986; Jan 1987; Feb 1987; Mar 1987; Apr 1987; May 1987; Jun 1987; Jul 1987; Aug 1987; Sep 1987; Oct 1987; Nov 1987; Dec 1987; Feb 1988; Mar 1988; Apr 1988; May 1988; Jun 1988; Jul 1988; Aug/Sep 1988; Oct 1988; Nov 1988; Dec 1988; Jan/Feb 1989; Apr 1989; May 1989; Jun/Jul 1989; Aug/Sep 1989; Nov/Dec 1989; Sep 1990; Winter 1990/1991; Spring 1991; Summer 1991; Autumn 1991; Winter 1991/1992.