Catholic Encyclopedia - Pope St. Eleutherius (in Greek, Eleutheros), native of Nicopolis, served as deacon in the Roman Church, d. about 189. www.newadvent.org/cathen/05378a.htm
For All the Saints - Brief biographical profile of Pope St. Eleutherius. users.erols.com/saintpat/ss/0526.htm#eleu
Popes Through the Ages - Brief biography of Pope St. Eleutherius, from the book by Joseph Brusher. www.newadvent.org/Popes/ppel01.htm
The Ecole Glossary - Brief biography of Pope St. Eleutherius, by Karen Rae Keck. cedar.evansville.edu/~ecoleweb/glossary/eleutherius.html