Agapitus I
- Brief biography.
- http://www.saintpatrickdc.org/ss/0422.htm#agap

Agapetus I
- Short account of his pontificate, by Karen Rae Keck.
- http://www2.evansville.edu/ecoleweb/glossary/agapetusi.html

St. Agapetus I
- An account of his pontificate.
- http://www.cfpeople.org/Books/Pope/POPEp57.htm

Pope St. Agapetus I
- Biography of Pope St. Agapetus I, also called Agapitus, anti-Arian, instrumental in deposing a Monophysite bishop who had moreover abandoned his see, d. 536. From the Catholic Encyclopedia.
- http://www.newadvent.org/cathen/01202c.htm