Just a quick note: there ARE works on photography. i.e. author Weston J. Naef http://www.metmuseum.org/research/metpublications/After_Daguerre_Masterworks_of_French_Photography_1848_1900_from_the_Bibliotheque_Nationale?Tag=&title=&author=&pt=&tc=&dept=&fmt= Enjoy. **************** Alberto Tirado
