<p>Own work based on: 
</p>
<ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120305104321/http://www.wangen-a-a.ch/">Wangen-a-A.ch</a></li>
<li><a rel="nofollow" class="external text" href="https://www.heraldry-wiki.com/heraldrywiki/index.php?title=Wangen_an_der_Aare">Wangen an der Aare</a>, <i>Heraldry of the World</i>.</li></ul>