Letter dated 28 January 1983 from the Permanent Representative of Bulgaria to the United Nations addressed to the Secretary-General General Assembly First Committee Thirty-eighth session (1983) Bulgaria Correspondence 1983-01-27 A/C.1/38/13 EN
Letter dated 18 October 1983 from the First Deputy Minister of Foreign Affairs and Permanent Representative of Bulgaria to the United Nations addressed to the Secretary-General General Assembly First Committee Thirty-eighth session (1983) Bulgaria Correspondence 1983-10-17 A/C.1/38/6 EN
Letter dated 4 November 1983 from the Permanent Representative of Bulgaria to the United Nations addressed to the Secretary-General General Assembly First Committee Thirty-eighth session (1983) Bulgaria Correspondence 1983-11-03 A/C.1/38/9 EN
