<a href="https://en.wikisource.org/wiki/fr:Livre:Binet_-_Henri_-_La_fatigue_intellectuelle.djvu" class="extiw" title="s:fr:Livre:Binet - Henri - La fatigue intellectuelle.djvu">Livre:Binet - Henri - La fatigue intellectuelle</a>
<bdi><a href="https://en.wikipedia.org/wiki/en:Alfred_Binet" class="extiw" title="w:en:Alfred Binet"><span title="French psychologist and inventor of the first usable intelligence test">Alfred Binet</span></a>
</bdi>
<a rel="nofollow" class="external text" href="https://archive.org/details/lafatigueintelle00bine">Internet Archive</a>