Espenhorst, Juergen. Petermann's Planet, A Guide to German Handatlases And Their Siblings Throughout the World 1800-1950. Volume I: The Great Handatlases. Pangaea Verlag, Schwerte, Germany, 2003. Pp. 156-160.
reference
Espenhorst, Juergen. Petermann's Planet, A Guide to German Handatlases And Their Siblings Throughout the World 1800-1950. Volume I: The Great Handatlases. Pangaea Verlag, Schwerte, Germany, 2003. Pp. 156-160.
Reference
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