Analysis of information sources in references of the Wikipedia article "Novo Brdo Fortress" in English language version.
Тако за време Деспота Стевана беше војвода новобрдски неки Петар, на кога се у једном писму жале Дубровчани деспоту Стевану,
Before the Ottoman conquest Novo Brdo was a Catholic stronghold; from the late 15th century on it was included in the Orthodox ecclesiastical organisation of the Ohrid Archbishopric
... in Novo Brdo Peter und Alexius Petri Span 1454