A map of <a href="https://en.wikipedia.org/wiki/Constantinople" class="extiw" title="en:Constantinople">Constantinople</a> by <a href="https://en.wikipedia.org/wiki/Cristoforo_Buondelmonti" class="extiw" title="en:Cristoforo Buondelmonti">Cristoforo Buondelmonti</a> in <i>Liber insularum Archipelagi</i>, Universitäts- und Landesbibliothek, Düsseldorf copy
<a href="https://en.wikipedia.org/wiki/Cristoforo_Buondelmonti" class="extiw" title="en:Cristoforo Buondelmonti">Cristoforo Buondelmonti</a>
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