Includes bibliographical references and index.

Part I. Historical Perspectives : What Can and Should We Learn from History? : -- 1. Into the cloud of witnesses : Catholic trinitarian theology beyond and before its modern 'revivals' / Lewis Ayres -- 2. Medieval trinitarianism and modern theology / Richard Cross -- 3. Rethinking trinitarian theology : theology since the Reformation / Samuel Powell -- 4. The paternity of the Father and the procession of the Holy Spirit : some historical remarks on the ecumenical problem / Lucas Francisco Mateo-Seco -- Part II. Modern Analytical Perspectives : -- 5. The trinitarian concept of person / Ángel Cordovilla Pérez -- 6. The trinitarian concept of essence and substance / Michael Schulz -- 7. Perichoresis : a key concept for balancing trinitarian theology / Emmanuel Durand -- 8. Trinitarian freedom : Is God free in trinitarian life? / John Zizioulas -- Part III. New Readings : -- Patristic trinitarian ontology / Giulio Maspero -- 10. The lord and giver of life : a 'Barthian' defence of the "filioque" / Bruce McCormack -- 11. The scope of Rahner's fundamental axiom in the patristic perspective : a dialogue of systematic and historical theology / Phillip Gabriel Renczes -- 12. Trinity and understanding : hermeneutic insights / Andrzej Wiercinski -- 13. Trinitarian theology : notes towards a supreme phenomenology / Kevin Hart -- Part IV. Anthropological Paradigms : -- 14. Trinity as 'communio' / Gisbert Greshake -- 15. Becoming a person and the Trinity / Stefan Oster -- 16. Social trinitarianism and its critics / Kathryn Tanner -- 17. Trinitarian theology and spirituality : retrieving William of St Thierry for contemporary theology / David Tracy -- Part V. New Systematic Perspective : -- 18. How does God enter into theology? : reasons for the centrality of trinitarian discourse in Christian dogmatics / Robert J. Woźniak -- 19. Tam Pater nemo : reflections on the paternity of God / Luis F. Ladaria -- 20. The Trinity through paschal eyes / Anne Hunt.