Engravings depicting the events of the Thirty Years' War represent a complex source. Using artistic and verbal means of expression, they provide information on particular events and the broader context.
The authors and publishers of these engravings stressed their accuracy and objectivity. While the lengthy interval between then and now greatly restricts the possibilities of their verification, surveys of battlefields provide at least a partial opportunity to gain a more comprehensive understanding.
Six examples of battlefields in the Czech Lands offer a detailed comparison between the relics of the fortifications and their representation in iconographic sources.