Particolare della mappa originale sul territorio di Maratona
<bdi><a href="https://en.wikipedia.org/wiki/en:Karl_Spruner_von_Merz" class="extiw" title="w:en:Karl Spruner von Merz"><span title="German cartographer (1803-1892)">Karl Spruner von Merz</span></a>
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<a href="//commons.wikimedia.org/wiki/File:1865_Spruner_Map_of_Greece,_Macedonia_and_Thrace_before_the_Peloponnesian_War._-_Geographicus_-_GraeciaMacedoniaThracia-spruner-1865.jpg" title="File:1865 Spruner Map of Greece, Macedonia and Thrace before the Peloponnesian War. - Geographicus - GraeciaMacedoniaThracia-spruner-1865.jpg">File:1865 Spruner Map of Greece, Macedonia and Thrace before the Peloponnesian War. - Geographicus - GraeciaMacedoniaThracia-spruner-1865.jpg</a>