Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of Sierra Leone concerning officers and teachers, designated by the government of the United Kingdom, in the service of the government of Sierra Leone or employed in schools : (the Public Service and Teachers (Sierra Leone) Agreement 1971), Freetown, 20/29 March 1971 (the agreement entered into force on 1 April 1971)

Eitemau Tebyg

• Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of Sierra Leone amending and extending the Public Service and Teachers (Sierra Leone) Agreement 1971 : (the Public Service and Teachers (Sierra Leone) (Continuance) Agreement 1971/1976), Freetown, 8/26 March 1976 (the exchange of notes entered into force on 31 March 1967)
  Cyhoeddwyd: (1977)
• Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of Sierra Leone concerning officers designated by the government of the United Kingdom in the service of specified organisations or institutions in Sierra Leone : (the British Expatriates Supplementation (Sierra Leone) Agreement 1971), Freetown, 20/29 March 1971 (the agreement entered into force on 1 April 1971)
  Cyhoeddwyd: (1973)
• Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of Sierra Leone amending and extending the British Expatriates Supplementation (Sierra Leone) Agreement 1971 : (the British Expatriates Supplementation (Sierra Leone) (Continuance) Agreement 1971/1976), Freetown, 8/26 March 1976 (the exchange of notes entered into force on 31 March 1976)
  Cyhoeddwyd: (1977)
• Agreement between the government of the United Kingdom of Great Britain and Northern Ireland and the government of the Republic of Sierra Leone concerning public officers' pensions : Freetown, 1 July 1976 (the agreement entered into force on 26 August 1976)
  Cyhoeddwyd: (1976)
• Public officers' agreement between the government of Sierra Leone and the government of the United Kingdom
  Cyhoeddwyd: (1961)