I found this site of the Univerity of Bologna - Italy. There are many links organized by subject. The page is written in Italian but the links are in many languages and I believe that most of you can undestand some meaning (e.g. fonti numismatiche = numismatics), even if you don’t master Italian.
http://www.rassegna.unibo.it/
I find interesting the archeological links http://www.rassegna.unibo.it/archguid.htmland the museums on line:
http://www.rassegna.unibo.it/mus.html
Have fun