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Hamburgisches Welt-Wirtschafts-Archiv (HWWA) - Countries-subjects folders

German New Guinea : Postal services, telegraphy and telephony  Wikidata item

 

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Country/geo German New Guinea
Subject Postal services, telegraphy and telephony
URI https://pm20.zbw.eu/folder/sh/141601,145662
ID sh/141601,145662