- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/15569a.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/14071b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/13714b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/16074a.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/13515a.htm
