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Published: May 2, 1995
By: St. John Paul II, Pope
What is it: an apostolic letter of the Supreme Pontiff John Paul II to the bishops, clergy and faithful to mark the centenary of Orientalium Dignitas of Pope Leo XIII.
Published: 1964 (November 21)
By: St. Paul VI, Pope
What is it: a dogmatic constitution of the church put forth during the Second Vatican Council.
Published: 1995 (May 25)
What is it: an encyclical on commitment to ecumenism.
By: jointly prepared and published by The Pontifical Council for Promoting Christian Unity and The Commission on Faith and Order of the World Council of Churches
What is it: a compilation of resources, such as prayers and readings, for the 2005 Week of Prayer for Christian Unity.
Published: 2000 (May 2)
What is it: an apostolic letter commemorating the third centenary of the union of the Greek-Catholic Church of Romania with the Church of Rome.
Published: 1998 (September 29)
What is it:a speech addressed to the Eastern Catholic Patriarchs.
Published: 1964 (August 6)
What is it: an encyclical on the Church in general.
By: the Second Vatican Council
What is it: decree by the Council on ecumenism.
Published: 2020 (January 25)
By: Pope Francis
What is it: a homily for the conclusion of the Week of Prayer for Christian Unity.
Published: May 25, 2014
By: Ecumenical Patriarch Bartholomew and Pope Francis
What is it: a declaration at a delegation in Jerusalem after a private meeting.
Published: 1973 (November 1)
By: The Standing Conference of Canonical Orthodox Bishops in America
What is it: a document offering information and guidelines to Orthodox Christians on ecumenical relations, commended to the clergy for guidance.
By: the Holy Synod of the OCA
What is it: an Orthodox encyclical on church unity and ecumenism.