Apollonia (Apolline) of Alexandria
- Illustrated hagiography. Includes information on other saints associated with her.
- http://www.saintpatrickdc.org/ss/0209.htm#apol

St. Apollonia
- A virgin, possibly ordained (Bishop Dionysius of Alexandria calls her "parthenos presbytis"), martyr at Alexandria in late 248 or early 249.
- http://www.newadvent.org/cathen/01617c.htm

St. Apollonia and the Martyrs of Alexandria
- The story of these third-century Christians. Suitable for children.
- http://www.tntt.org/vni/tlieu/saints/St0209.htm

Apollonia
- Illustrated profile. Since 1969, her feast has been restricted to local calendars.
- http://www.catholic-forum.com/saints/sainta13.htm