1. Carl O. Castelin - Prag: Die Prager Groschen Wladislaus II. von Bőhmen. Type: ARTICLE, model:article, and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. XV. Hauptbericht Type: model:article and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public