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 Academy, (Darlledu/Broadcasting), 1981 & 1985.
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, (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 work common to both sections of the Academi, (Cyflogaeth / Employment), 1978-1981.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to work common to both sections of the Academi, (Cyfieithu ar y pryd / Simultanious translation) 1978-1983.
Gohebiaeth ganolog dwy adran yr Academi / General correspondence relating to the work of both sections of the Academy, (Aelodaeth/Membership), 1969-1976.