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Ludwig Yorck von Wartenburg. Hans David Ludwig Yorck von Wartenburg th September in Potsdam th October at Gut Kleinls Landkreis Ohlau Niederschlesien Johann David Ludwig Graf Yorck von Wartenburg September in Potsdam Oktober auf Gut Kleinls Landkreis Ohlau Niederschlesien SPSG GK cm 'Scan aus dem Katalog der Ausstellung