  |
St. Leo IV - http://www.cfpeople.org/Books/Pope/POPEp104.htm
Brief account of his pontificate. From the book "Popes Through the Ages," by Joseph Brusher. |
| |
For All the Saints: Leo IV - http://www.saintpatrickdc.org/ss/0717.htm#leo
Short biography. |
| |
Pope Leo IV - http://saints.sqpn.com/saintl25.htm
Illustrated profile. |
 |
Pope St. Leo IV - http://www.newadvent.org/cathen/09159a.htm
Biographical article on this Roman, who died in 855. From the Catholic Encyclopedia. |
| |
The Ecole Glossary: Leo IV - http://www2.evansville.edu/ecoleweb/glossary/leoiv.html
Brief biography, by Karen Rae Keck. |