Denis, Saint
- An attempt to untangle the story of the bishop of Paris. In the 1911 Encyclopædia Britannica. Some scanner errors.
- http://encyclopedia.jrank.org/DEM_DIO/DENIS_DIoNysms_SAINT.html

Denis, Rusticus, & Eleutherius
- Hagiographical essay. Distinguishes the patron of Paris from Dionysius the Areopagite and Pseudo-Dionysius.
- http://www.saintpatrickdc.org/ss/1009.htm#deni

Sts. Denis, Rusticus, and Eleutherius
- Short hagiography.
- http://www.catholic.org/saints/saint.php?saint_id=102

Denis
- Illustrated profile of the bishop and saint.
- http://www.catholic-forum.com/saints/saintd03.htm

St. Denis and Companions
- The story of these martyrs, suited to children.
- http://www.tntt.org/vni/tlieu/saints/St1009.htm

St. Denis
- Bishop of Paris, martyred along with his deacons Rusticus and Eleutherius in about 275. Feast day: 9 October.
- http://www.newadvent.org/cathen/04721a.htm