<a href="https://en.wikipedia.org/wiki/An_Essay_Concerning_Human_Understanding" class="extiw" title="en:An Essay Concerning Human Understanding">An Essay concerning Humane Understanding in four books</a> (1690) by <a href="https://en.wikipedia.org/wiki/John_Locke" class="extiw" title="en:John Locke">John Locke</a> (1632-1704)
The original uploader was <a href="https://en.wikipedia.org/wiki/de:User:Olaf_Simons" class="extiw" title="w:de:User:Olaf Simons">Olaf Simons</a> at <a href="https://en.wikipedia.org/wiki/de:" class="extiw" title="w:de:">German Wikipedia</a>.
3 December 2005 (original upload date)
Originally from <a class="external text" href="https://de.wikipedia.org">de.wikipedia</a>; description page is/was <a href="https://en.wikipedia.org/wiki/de:Bild:Locke_Essay_1690.jpg" class="extiw" title="w:de:Bild:Locke Essay 1690.jpg">here</a>.