Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academy, (Y Cyngor Prydeinig / The British Council), 1979-1986.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to work common to both sections of the Academi (Llais Llyfrau/Book News), 1979-1982.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academy, (Cyngor Celfyddydau Cymru / Welsh Arts Council), 1980-186.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academy, (Darlledu/Broadcasting), 1981 & 1985.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academy, (Landlordiaid / Landlords), 1982-1983.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academi, (Cyngor Celfyddydau Cymru / Welsh Arts Council), 1985-1991.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academi, (Cyngor Celfyddydau Cymru / Welsh Arts Council), 1987-1988.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academy, (Cyflogaeth / Employment), 1986-1990.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academi, (Cyngor Celfyddydau Cymru / Welsh Arts Council), 1988-1989.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academi, (Association for Business Sponsorship of the Arts), 1987-1988
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academi, (Cyngor Celfyddydau Cymru / Welsh Arts Council), 1992