Hertslet, Edward (1891), "Act agreed between the Plenipotentiaries of Great Britain, Austria-Hungary, France, Germany, Italy, Russia, and Turkey, for modifying Articles XV and XVII of the Treaty of Berlin; Governor-Generalship of Eastern Rumelia to be entrusted to the Prince of Bulgaria, and Musulman Villages of Kirdjali and those of Rhodope District to be placed under administration of the Porte, Constantinople, 5th April 1886. (Translation)", The Map of Europe by Treaty; which have taken place since the general peace of 1814. With numerous maps and notes, IV (1875-1891) (First ed.), London: Her Majesty's Stationery Office, pp. 3152–3157
