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Excommunication - Wikipedia
Excommunication in the Catholic Church - Wikipedia
Excommunication | Definition, Types, & Facts | Britannica
The Truth About Excommunication | Catholic Answers Magazine
Excommunication Definition & Meaning - Merriam-Webster
Excommunication: What is it and does the Church still do it?
CATHOLIC ENCYCLOPEDIA: Excommunication - NEW ADVENT
Excommunication in the Catholic Church - Learn Religions
What Is Excommunication and is it Biblical? - Christianity
Why and How One Is Excommunicated | Catholic Answers Q&A