Begriffsschrift connective
<a href="//commons.wikimedia.org/w/index.php?title=User:Guus_Hoekman&amp;action=edit&amp;redlink=1" class="new" title="User:Guus Hoekman (page does not exist)">Guus Hoekman</a>
2009-02-15
<span class="int-own-work" lang="en">Own work</span>