Source
Source: Military map of the Battle of Mühlberg (Battle at Lochau Heath), victory of Emperor Charles V over the troops of the Schmalkaldic League on April 24, 1547, unknown artist, etching, 17th century. Staatliche Kunstsammlungen Dresden, Kuperstichkabinett, https://skd-online-collection.skd.museum/Details/Index/1587856