The Nietzsche Archives in Weimar, Germany.
<a href="//commons.wikimedia.org/w/index.php?title=User:DWRZ&amp;action=edit&amp;redlink=1" class="new" title="User:DWRZ (page does not exist)">DWRZ</a> David Wen Riccardi-Zhu
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>