| Description | /1. 1 x ms. letter with newscutting attached, 5 July 1978, from Raymond Plummer of the Darenth and North Downs Action Group, Sevenoaks, to Roland Penrose, with letter to the Guardian, 27 June [1978] attached, 3p.
/2. 1 x ts. letter, 22 February 1982, from Raymond Plummer of the Darenth and North Downs Action Group, Sevenoaks, to Roland Penrose, 3p.
/3. 1 x ts. letter, 4 March 1982, from Roland Penrose to Raymond Plummer, Sevenoaks, 1p.
/4. 1 x ts. letter, with ms. additions, 5 November 1982, from Raymond Plummer of Darenth and North Downs Action Group, Sevenoaks, to Roland Penrose, 1p. |