A Liturgical Ecclesiology
A Commentary on the Revised Sacramentary
The Prophetic Witness of Weakness
Songs of the World Church, Vol 1
An Ecumenical Study of Their Development and Structure
Congregational Song in the Twenty-First Century
Ecumenical Dimensions of the Doctrine of Baptism
Source of Communion
Ecumenical perspectives on the Holy Spirit
Ecumenical dialogue in a Postmodern World
Encyclical Letter That They May Be One Ut Unum Sint of the Holy Father John Paul II on Commitment to Ecumenism
The Disciplinary Work of the First Four Ecumenical Councils
Crisis and Opportunity for the Church