Coat of arms of the city of <a href="//commons.wikimedia.org/wiki/Dortmund" title="Dortmund">Dortmund</a>
Unknown author<span style="display: none;">Unknown author</span>
Unknown date<div style="display: none;">Unknown date</div>; (1. version 13 May 2006, recreated by <a href="//commons.wikimedia.org/wiki/User:Madden" title="User:Madden">Madden</a>)
Own work  using: <a rel="nofollow" class="external free" href="https://www.dortmund.de/media/p/buergerdienste_1/pdfs/Neubuergerbroschuere.pdf">http://www.dortmund.de/media/p/buergerdienste_1/pdfs/Neubuergerbroschuere.pdf</a>; (SVG <span class="int-own-work" lang="en">Own work</span>)