Great Britain. Commonwealth Office

• Agreement between the government of the United Kingdom and Northern Ireland and the Government of Guyana regarding the Status of Her Majesty's Forces in Guyana, Georgetown, 26 May 1966
• Exchange of Letters between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Guyana concerning the Provision of Personnel of the United Kingdom Armed Forces to Assist in the Staffing, Administration and Trai
• Rhodesia
• The Imperial gazetteer of India