Important Catholic SitesCatholic Communities
- Official site of Vaticano
- Official Site of CEI - Conferenza Episcopale Italiana
- Chiesa di Milano - official web site of Milan Church
- Official site of the Duomo of Milan
- Congregation for the Clergy - Holy See - Vatican
- Università Cattolica del Sacro Cuore
- Wikipedia
- Wikipedia - section Catholic Church
- Wikipedia - Page referred to the town of Opera
- Lombardy - Tourism Site
- Lombardy - Tourism - Page dedicated to Shrine Madonna of Relief
- Municipality of Opera
Catholic Media
- Catholic sites in Italy
- NetCrim - Christian resources online
- Cath.com - Catholic Search Engine
- Totus tuus network
- Noi Cattolici - Italian catholic community
- Cuore Immaccolato - Italian catholic community
- Santi, Beati e testimoni - Enciclopedia dei Santi
Other Catholic Sites
- Radio Maria
- Radio Vaticana
- Osservatore romano
- Avvenire - Official site of the newspaper of Italian catholic people
- San Paolo Publisher - Official site of magazine "Famiglia Cristiana"
- SAT2000 - Official site of digital television on satellite of Italian Catholic Church
- SIR - Religious Information Service
- Shrine Madonna della Bozzola - Garlasco (Pavia - Lombardy)
- Religious Library - Bibliotheca Religiosa IntraText
- Maria in Medjugorje - Medjugorje messages