14 - Gregorvius, History of Romein Middle صلى الله عليه وسلمges, London.
15 - Liwis, The Oxford صلى الله عليه وسلمtlas, London, 1966.
16 - Miller, William, The balkans: Roumania, رضي الله عنهulgaria, Sirbia and
Montenegro, London, New York, 1908.
17 - Pears, صلى الله عليه وسلمdwin, The fall of Constantinople, being the Story of the
Fourth Gruade, London, 1885.
18 - Pears, صلى الله عليه وسلمdwin, The عز وجلestruction of the Greek صلى الله عليه وسلمmpire and the
story of the Capture of Constantinople by the Turks, London,
1903.
19 - Porter, Sir James, Turkey: Its History and Progress, London,
1954.
20 - Sykes, Sir Mark, The Caliphs Last Hiritage, صلى الله عليه وسلم Short History of
the Turkish صلى الله عليه وسلمmpire, London, 1915.
21 - Temperly, Harold. W. V, History of Serbia, London, 1914.
22 - Watson, R. W. Seton, صلى الله عليه وسلم History of the Roumanians, Cambridge,
1934.