[{WikipediaArticle oldid='235531715'}]

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| Schallplatte von Hans Clemens (Berlin 1929)| Eigenes Werk| Zylberglajs| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 4.0' align='center' link='https://www.austria-forum.org/cc/by-sa-40.html' target='_blank'}]| Datei:Clemens, Hans.jpg
| Porträtfoto von Hans Clemens| Der Kölschen Boor in Eisen, VI. grosses Konzert, 17. Mäarz 1917, Köln 1917, S. 8.| Anonym Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Clemens-hans-der-kölschen-boor-in-eisen-VI-grosses-konzert-17-maerz-1917-koeln-1917-s08.jpg
| Begriffsklärungs-Icon (Autor: Stephan Baum)| Eigenes Werk ( Originaltext: Own drawing by Stephan Baum ) Original Commons upload as File:Logo Begriffsklärung.png by Baumst on 2005-02-15| Stephan Baum| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Disambig-dark.svg
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