| Who What Where WhenWHEN | REFINE  Browse All : Geologic Atlas and Atlas Map by Justus Perthes and Hess, O.
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       Author [Berghaus, Hermann, Luddecke, Richard] Full Title Hohen und Tiefen. Entworfen u. bearbeitet v. Dr. R. Luddecke. Gest v. O. Hess. Ausgabe 1891. Gotha: Justus Perthes (1892) Publisher Justus Perthes 
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