Letter dated 31 May 1988 from the Permanent Representative of Democratic Kampuchea to the United Nations addressed to the Secretary-General Democratic Kampuchea Correspondence 1988-05-31 A/S-15/21 EN
Letter dated 16 June 1988 from the Permanent Representative of Democratic Kampuchea to the United Nations addressed to the Secretary-General Democratic Kampuchea Correspondence 1988-06-17 A/S-15/45 EN
