For All the Saints
- Mentions a second local feast day for St. Romuald.
- http://www.saintpatrickdc.org/ss/0619.htm#romu

Catholic Online
- Longish paragraph, the latter part of which is rather generic.
- http://www.catholic.org/saints/saint.php?saint_id=406

The Ecole Glossary
- A short biographical essay on St. Romuald, founder of the Camaldolese, by Karen Rae Keck.
- http://www2.evansville.edu/ecoleweb/glossary/romuald.html

Catholic Encyclopedia
- St. Romuald, Italian-born founder of the Camaldolese, d. 1027.
- http://www.newadvent.org/cathen/13179b.htm

Saint Romuald Catholic Church, Hardinsburg, Kentucky
- Life of the parish's patron saint, as illustrated in the St. Romuald memorial window.
- http://www.owensborodio.org/parishes/romuald-ky-hrdbg/window.html

Vietnamese Eucharistic Youth Society
- Short biography of St. Romuald, suitable for children or younger teens.
- http://www.tntt.org/vni/tlieu/saints/St0619.htm

Patron Saints Index
- Profile of Saint Romuald, with links, and a reading from a biography of St. Romuald by St. Peter Damian.
- http://www.catholic-forum.com/saints/saintr07.htm