<p>Own work based on:
</p>
<ul><li><a rel="nofollow" class="external text" href="https://www.vitznau.ch/geschichte/11413">Ortsgeschichte</a>, Vitznau.ch</li>
<li><a href="//commons.wikimedia.org/wiki/File:CHE_Vitznau_COA.png" title="File:CHE Vitznau COA.png">CHE Vitznau COA.png</a></li></ul>