1973. Letter from Demarco to Christian Boltanski. Ref. Seven French Artists exhibition. Ediburgh Arts 1973.
1976. Catalogue (cover). Page 1/29. RDG 10th Anniversary Exhibition. Ten-year record of the gallery's activities 1966-1976.
1979. Talk by Scottish artist Gavin Scobie in his studio at Tarvie, Invernerss-shire. Edinburgh Arts 1979.