Museum Haus Kupferhammer
<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Gnu1742" title="User:Gnu1742">Gnu1742</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Haus_Kupferhammer.png" title="File:Haus Kupferhammer.png">Haus_Kupferhammer.png</a>: THWZ</li></ul>
CC BY 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:Haus_Kupferhammer.png" title="File:Haus Kupferhammer.png">Haus_Kupferhammer.png</a></li></ul>