<p>vectorized by <a href="//commons.wikimedia.org/wiki/User:Flow2" title="User:Flow2">Flow2</a>, following an image on the municipal website marburg.de
</p>
<ul><li>cf. city of Marburg: <a rel="nofollow" class="external text" href="https://www.marburg.de/medien/bilder/stadtwappen_mit_druckeignung.jpg?20160330133310">stadtwappen_mit_druckeignung.jpg</a></li></ul>