Klaus Uwe Ludwig at Bergkirche Wiesbaden, September 16, 2016
<a href="//commons.wikimedia.org/w/index.php?title=User:Susanna_Ludwig&amp;action=edit&amp;redlink=1" class="new" title="User:Susanna Ludwig (page does not exist)">Susanna Ludwig</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>, also published at <a rel="nofollow" class="external text" href="http://www.klausuweludwig.de/organist.htm">www.klausuweludwig.de/organist.htm</a>