Please go to the Resources page (left) for links to prayer and liturgical materials.

Catholic League

The historic English society promoting the reconciliation of all Christianity, the Catholic ecumenical movement, and the role of the see of Rome in fostering and extending Church unity. It was among the first body in to promote the Church Unity Octave and its successor, the Week of Prayer for Christian Unity

The Association, Centre and Library in Lyon established to continue the work of Paul Couturier, who re-founded the Church Unity Octave as the Week of Prayer for Christian Unity in the 1930s.

Centro Pro Unione

The study and library centre of the Franciscan Friars of the Atonement in Rome

The monastery founded by Lambert Beauduin which follows both the Latin and Byzantine rites. It is dedicated to unity between East and West, as will as Catholic-Anglican and Catholic-Reformed Church unity

CTBI adapts and publishes the resources for the annual Week of Prayer for use in Great Britain and Ireland.
A biennial pilgrimage to Walsingham, drawing people of all traditions to reflect and pray on their common Christian baptismal life, and their shared faith in the Incarnation
Ecumenical Society of the Blessed Virgin Mary (website currently unavailable)
International and interconfessional association furthering the visible unity of Christianity through prayer, worship, study, especially concerned to explore the role of Mary as a point of unity and not division
Franciscan Society of the Atonement & their Ecumenical & Interreligious work     

The community of friars and sisters founded by Father Paul Wattson and Mother Lurana White to take forward Wattson's vision of the Church proclaiming the Gospel and serving the poor in visible unity. Wattson founded the Church Unity Octave in 1908, the early form of the Week of Prayer for Christian Unity.

The site devoted to the thinking of Paul Couturier and the principles of spiritual ecumenism.

An initiative to promote the reconciliation of the separate martyr traditions, especially in the Catholic, Anglican and Reformation traditions, as commended by Pope John Paul in his letters Ut Unum Sint and Tertio Millennio Adveniente


An association in Britain promoting dialogue, mutual understanding and research, and receptive ecumenism.

For Week of Prayer material, see the List item - Spiritual Ecumenism at the International Level