The Eastern Catholic Churches are autocephalous Christian churches. They recognize the Bishop of Rome as their spiritual leader, like other Catholics.They differ on ideas as how a mass should be organised, or which prayers are more important than others.

In total there are 23 such churches, the probably best known are listed below:

• Coptic Catholic Church
• Maronite Church
• Armenian Catholic Church
• Chaldean Catholic Church
• Syro-Malabar Catholic Church
• Syro-Malankara Catholic Church

• Eastern Christianity

• Orientale Lumen - Apostolic Letter of Pope John Paul II on the Eastern Churches
• Codex Canonum Ecclesiarum Orientalium - original text of the Code of Canons of the Eastern Churches, with concordance
• Code of canons of the Oriental Churchs - defective English translation, with concordance
• Instruction for Applying the Liturgical Prescriptions of the Code of Canons of the Eastern Churches Archived 2009-04-25 at the Wayback Machine - Instruction by Congregation for the Eastern Churches
• What All Catholics Should Know About Eastern Catholic Churches Archived 2011-05-17 at the Wayback Machine
• Eastern Catholics in the United States of America - adapted from a similar publication by the Australian Catholic Bishops' Conference

• Melkite Greek Catholic Patriarchate Archived 2007-02-11 at the Wayback Machine—Official Website
• Maronite Patriarchate Archived 2016-12-29 at the Wayback Machine—Official Website
• Ukrainian Greek Catholic Church Archived 2008-07-30 at the Wayback Machine—Official Website
• Syro Malankara Catholic Church International Homepage Archived 2008-07-25 at the Wayback Machine—Official Website
• Syro-Malankara Catholic Church
• Byzantine Catholic Church in America—Information and Messageboards
• Byzantine Catholic Archeparchy of Pittsburgh—Official Website

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