https://web.archive.org/web/20120924035317/http://www.grimme-institut.de/html/index.php?id=658

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Claudius Ptolemaeus (Ptolemy) Geographie (Cosmographia) Literatur

https://web.archive.org/web/20080605001728/http://wwwuser.gwdg.de/~fhasele/ptolemaeus/Frames/Literatur-Ptolemaeus.html

Keine Beschreibung vorhanden.