PoS-Roots
- Yahoo group discussing the origins of the Priory of Sion, and their connections to various religious communities throughout history.
- http://groups.yahoo.com/group/PoS-Roots/

The Knights Templar, Johannite Heresy, and Satanism
- Explores the charges made against the Knights Templar.
- http://www.freemasonrywatch.org/

Priory of Sion Archives of Paul Smith
- Articles on The Priory of Sion, Alpha Galates, 'Vaincre', French Esoterica, Rennes-le-Chateau, Rosicrucianism, and Freemasonry.
- http://priory-of-sion.com

Priory of Sion
- The PoSML is set up as a discussion of issues and theories arising from the book "Holy Blood, Holy Grail" and similar works.
- http://groups.yahoo.com/group/priory-of-sion/

Barbara Young, Mystical Knight Templar
- The information found in this site is a 20-year research effort that lends understanding to the underlying motivation and spiritual purpose of the pre-inquisition Templar Orders.
- http://www.templechryses.org/

The Knights Templar
- Provides a history, articles and discussion on the Prieure de Sion.
- http://www.crystalinks.com/templars.html

A History and Mythos of the Knights Templar
- Stephen DaFoe's site on historical and mythic Templarism.
- http://www.templarhistory.com

Rennes-le-Chateau Home Page
- Online texts, affiliate bookstore, links, and accommodations for travelers.
- http://www.connectotel.com/rennes/