Sounds as if you need to find a copy of an excellent art history book entitled Art in the Western World by David M. Robb and J. J. Garrison.
Also, here are many websites that have reference to this entire topic:
You can also go to http://www.google.com and enter a variety of more specific search terms, such as --
-- french artists orientalism
-- orientalism french art 19th century
Let us know if you need more help researching online.
I went to the library and am getting somewhere now. A message to all the college bound students out there: Beware of art history for it can be difficult!