Klassifikation der Library of Congress [LCC] (USA)DR485-555.7
⮑ DR. Balkan Peninsula
⮑ DR1-2285. History of Balkan Peninsula
⮑ DR401-741. Turkey
⮑ DR436-605. History
⮑ DR481-605. By period
⮑ DR485-555.7. 1281/1453-1789. Fall of Constantinople, 1453