HeadingHardtmuth, Karl ¬von¬ used in: Integrated Authority File (GND), Germany
Sources
Found inNDB/ADB-online
Carl von Hardtmuth (1804 - 1881), Rakouský a český podnikatel a politik. [AnonymousUnknown author / http://www.koh-i-noor.ro/pdf/2014/04_Colectie_Arta_in_Blister.pdf -- Public domain -- http://commons.wikimedia.org/wiki/File:Carl von Hardtmuth (1804-1881).jpg]