J. Henry Middleton, Illuminated Manuscripts in Classical and Mediaeval Times… (1892)
“ Before long this great extension of the art of illumination, and the fact that it became a trade, a method of earning a livelihood, like any other craft, led to a serious decadence in the art. Though wealthy patrons were able to pay large prices for richly illuminated manuscripts, thus keeping up the production of very elaborate and artistically valuable works of miniature art, yet the practical result was a growing decadence of style and workmanship. ”
