Bibliographical sources mentioned in this text:
Bellon, Peter 168.17
Braun, Georg of Cologne 168.5
Chalcondylas, Laonicus : Pedigree of the Ottomans 168.9
Cuspinianus 168.8
Egnatius, Baptista 168.8
Favolius, Hugo : Travels to Constantinople 168.17
Iovius, Paulus 168.8
Lacuna, Andreus 168.8
Nozoremus, Gilbertus 168.8
Pius the Second : Ch.4 Europa 168.8
Richer, Christopher 168.8
Strabo : in textblock below Caspian sea on the map itself
Vernerius, Adolphus 168.5