Catholic Online: St. Felix of Nola
- Short biography.
- http://www.catholic.org/saints/saint.php?saint_id=639

For All the Saints: Felix of Nola
- Biographical portrait, says he died in 260.
- http://www.saintpatrickdc.org/ss/0114.htm#feli

Patron Saints Index: Felix of Nola
- Profile says that he was martyred c. 250.
- http://www.catholic-forum.com/saints/saintf25.htm

Catholic Encyclopedia: St. Felix of Nola
- Third-century confessor. Feast day 14 January. Possibly the same as St. Felix of Nola, bishop and martyr.
- http://www.newadvent.org/cathen/06033b.htm