- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/04628a.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/02689d.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/04689b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/05167b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/04738a.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/05181c.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/05069b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/01469e.htm