DescriptionConstantinople area map-es.svg English: Map of Constantinople (modern Istanbul) and its environs during Byzantine times. Base map: Sea of Marmara map...
Veselinov Manchov's works (1834-1908) synthetised here: File:Bulgaria-Iván_Asen-es.svg and [3]; Roman Kovalev, (ed.), The Other Europe in the Middle Ages: Avars...
Veselinov Manchov's works (1834-1908) synthetised here: File:Bulgaria-Iván_Asen-es.svg and [1]; Jean W. Sedlar, East Central Europe in the Middle Ages, 1000–1500...
