
<p>Texts published from the 17th to 19th centuries have been uploadedCopyright to the images has expired and people are asked to use themBut the origins of many of the illustrations are still a mystery</p><p>By Kieran Corcoran</p><p>PUBLISHED:01:31 EST, 16 December 2013| UPDATED:06:56 EST, 16 December 2013</p><p>Their faces have lain hidden between the pages of archived books for decades, only seen by dedicated researchers who made the journey to London to pluck them out.</p><p><a href="http://www.dailymail.co.uk/news/article-2524455/British-Library-uploads-million-images-Flickr.html">Keep reading...</a></p>