Tocher.

no.1-4 1971; no.1-8 1971-1972; no.1-8 (1971/72); no.5-8 1972; no.9-16 1973-1974; no.9-16 (1973/74); no.17-24 (1975/76); no.17-24 1975-1977; no.17-23,25-29 1975-1978; no.25-30 1977-1979; no.25-30 (1977-79); no.30-32 1979-1980; no.31-35 1979-1981; no.33-37 1980-1982; no.31-38 (1979-83); no.36-38 1981-1983; no.38 1983; no.39-40 1985-1986; no.39-41 1985-1988; no.39-41 (1985-88); no.41 1988; no.42 1989; no.43 1991; no.44 1992; no.45 1992; no.46 1993; no.47 1993-94; no.47 1993-1994; no.42-50 (1989-95); no.48-49 1995; no.50 1995; no.51 1995; no.52 1996; no.53 1997; no.52-55 1996-1999; no.54-55 1999; no.56 2000; no.57-58 2003-2005; no.38-42 1983-1989 Index; no.43-49 1991-1994 Index; no.31-37 1979-1982 Index; index no.31-37