The castle, together with the city walls, is considered to be one of Europe's most formidable medieval fortifications.[1] It represented the power and importance of the Holy Roman Empire and the outstanding role of the Imperial City of Nuremberg.[2]
^Fehring, Günther P. and Ress, Anton. Die Stadt Nürnberg. 2. Auflage bearbeitet von Wilhelm Schwemmer. Deutscher Kunstverlag, München, ISBN3-422-00550-1, S. 152ff.