- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/02689d.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/02381a.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/02702a.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/01428b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/02411a.htm
