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References
Main reference:
Map is made according to the map from this historical atlas: "Istorijski atlas, Geokarta, Beograd, 1999."
Secondary references that mention Nikola Altomanović:
Vladimir Ćorović, Ilustrovana istorija Srba, knjiga druga, Beograd, 2005.
Dr Tomislav Bogavac, Nestajanje Srba, Niš, 1994.
Srpski narod u drugoj polovini XIV i u prvoj polovini XV veka, Zbornik radova, Beograd, 1989.
Miloš Blagojević, Srbija Nemanjića i Hilandar, Beograd - Novi Sad, 1998.
Sima M. Ćirković, Srbi među evropskim narodima, Beograd, 2004.