Fifteen letters, a council election leaflet and a memorandum from Emrys Roberts, spanning a period of internal disputes within Plaid Cymru. The material includes letters sent to Harri Webb and other members of the Cilmeri/New Nation group (which included John Legonna, Ray Smith, Margaret Tucker and Roger Boore), a group that wanted major reform within the party. Six letters, part of a letter and a copy of an address/report by Emrys Roberts dating from the same period. A draft of an unsent letter from Harri Webb to Emrys Roberts criticising his speech the previous Sunday.