Dickinson studies.

no.37-41 1980-81; no.42-48 1982-83; no.49-54 1984; no.42-56 1982-85; no.55 1985; no.56 1985; no.57 1986; no.58 1986; no.59 1986; no.60 1986; no.61 1987; no.62 1987; no.63 1987; no.64 1987; no.57-68 1986-1988; no.65 1988; no.66 1988; no.67 1988; no.68 1988; no.69 1989; no.70 1989; no.71 1989; no.72 1989; no.69-76 1989-1990; no.73 1990; no.74 1990; no.75 1990; no.76 1990; no.77 1991; no.78 1991; no.79 1991; no.77-83 1991-1992; no.80 1992; no.81 1992; no.82 1992; 1992-1993 no.80-87; no.84-86 inc. 1993; no.84 1993; no.86 1993