http://www.catacombsociety.org/visiting_Vigna-Torlonia.html
International Catacomb Society, presenting a synthesis of the archaeological investigations of the Jewish catacombs found below the grounds of the public park of the Villa Torlonia, situated on the Via Nomentana northeast of Rome
http://www.archaeology.org/online/features/greece/
Publication of the Archaeological Institute of America, featuring an article on the state of Greece’s Jewish heritage (by Elias V. Messinas, author of The Synagogues of Salonika and Veroia (Athens, 1997))
http://www.cpi.fr/mj/Mon_juif.htm
Medieval Jewish Monument, located underneath the eastern portion of Rouen’s Court of Justice in France