John Paul II: The Spirit and the Filioque Debate
Fr. Z: Benedict XVI and Bartholomew I: together the Creed in Greek
The Clarification: The Father as the Source of the Whole Trinity: The Procession of the Holy Spirit in Greek and Latin Traditions
Nicene Truth: The Vatican Clarification on the Filioque
One Single Source: An Orthodox Response to the Clarification on the Filioque
(by Metropolitan John (Zizioulas) of Pergamon)
De unione ecclesiarum: On Anastasius the Librarian