Etruscan and Roman Art : A Bibliography
   Though the author says this list is neither comprehensive nor up to date - it is a good start to books covering the Etruscan and Roman art periods.
   http://harpy.uccs.edu/roman/html/romebib.html

The Catacombs of Rome
   Ars Mar Film describes the art of the Christian catacombs of Rome, which include frescoes, sculptures and inscriptions.
   http://www.arsmar.com/ce_art.htm