Card file cabinet, restricted section, <a href="https://en.wikipedia.org/wiki/Biblioth%C3%A8que_Sainte-Genevi%C3%A8ve" class="extiw" title="en:Bibliothèque Sainte-Geneviève">Bibliothèque Sainte-Geneviève</a>, Paris.
<a href="//commons.wikimedia.org/wiki/User:Jastrow" title="User:Jastrow">Marie-Lan Nguyen</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>