1979. Exhibition Catalogue (page 6/6). Jack Tworkov, Paintings 1950-1978. Presented by the RDG in association with Third Eye Centre, Glasgow, and Ulster Museum, Belfast.
1967. Exhibitions Catalogue: Edgar Negret, John Eaves, Oshogbo Artists, at the RDG. Page 4/4. John Eaves.
1976. Catalogue. Page 3/29. RDG 10th Anniversary Exhibition. Ten-year record of the gallery's activities 1966-1976.
1976. Catalogue. Page 9/29. RDG 10th Anniversary Exhibition. Ten-year record of the gallery's activities 1966-1976.
1973. Letter (page 1/3) from Ian Hamilton Finlay to Demarco, ref. Finlay/ Demarco collaboration 'A Calm in a Tea-cup' (Wild Hawthorn Press, 1973)