- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/11421b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/15611b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/02546a.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/12322c.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/11737b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/12558b.htm
- An article from the Catholic Encyclopedia ...www.newadvent.org/cathen/11512a.htm
