2016
Synodality and Primacy during the First Millennium: Towards a Common Understanding in Service of the Unity of the Church - Chieti 2016
2007
Ecclesiological and Canonical Consequences of the Sacramental Nature of the Church: Ecclesial Communion, Conciliarity and Authority - Ravenna 2007
1993
Uniatism, Method of Union of the Past, and the Present Search for Full Communion - Balamand 1993
1990
Declaration of the Sixth Plenary Meeting - Freising 1990
1982
The Mystery of the Church and of the Eucharist in the Light of the Mystery of the Holy Trinity - Munich 1982