Bibliographical sources
Cadmostus, Aloysius from Venice 76.13
Erasmus: Epistles 76.4
Guicciardine 76.7, 76.14, 76.15
Marchantius, Iacobus 76.5, 76.7
Meierus, Iacobus 76.6, :On Flanders Affairs (10 volumes) 76.7
Mercator, Gerard is mentioned in the cartouche of this map as its maker, Ort76