| | general resource
http://www.newadvent.org
| |
| | general resource
http://www.catholic.org
| |
| | general resource
http://www.catholic-forum.com
| |
| | general resource
http://www.americancatholic.org
| |
| | general resource
http://www.catholicism.about.com
| |
| | general resource
http://www.vatican.va.archive
| |