Bibliographical sources mentioned in this text:
Aurifaber, Andreas of Vratislava : On Amber 156.19
Cæsar 156.7
Cromerus : Description of Poland 156.2, 156.9
Duglossus 156.5-7
Guaginus : Sarmatian history 156.19
Henneberg is mentioned in the cartouche as the maker of this Prussiæ map Ort156; further in the map text: 156.9
Plinius 156.6
Ptolemæus 156.2
Stella, Erasmus 156.2, 156.6