1987. Announcement Card (verso). RDG 21st Anniversary auction, dinner, discussion and performance events. Smith's Gallery, London.
1973. Letter from Demarco to Alexander Thom, ref. invitation to lecture at the RDG. Edinburgh Arts 1973.
1973. Letter (page 1/3) from Antoine Grimaud (Groupe Lettriste, Paris) to Sally Holman (RDG administrator), ref. proposed programme of Lettriste films at the RDG.