Keywords: Prague Castle map 1791 closer.jpg mapa prazskeho hradu z roku 1791 en map of Prague Castle from 1791 fr plan du Chateau de Prague de 1791 facsimile 1791 Frantisek Franz Hegert PD-old-100 <gallery>Image Prague Castle map 1791 jpg bigger version</gallery> Prague Castle 1791 maps Old maps of Prague Location not applicable History of Prague Castle |