Antherus - Short biography. - http://www.saintpatrickdc.org/ss/0103.htm
Anterus - Brief biography, by Karen Rae Keck. - http://www2.evansville.edu/ecoleweb/glossary/anterus.html
St. Anterus - Brief profile, from Popes Through the Ages. - http://www.cfpeople.org/Books/Pope/POPEp19.htm
Pope St. Anterus - Also known as Anteros, pope for less than 2 months, d. in 236. Short article from the Catholic Encyclopedia. - http://www.newadvent.org/cathen/01553a.htm