- Members of rebel Catholic group are excommunicated, Vatican says Reuters
- Vatican Excommunicates Breakaway Group, in First Major Crisis for Pope Leo The New York Times
- What Is the SSPX? A Look at the Traditionalist Catholic Group in Schism With the Church National Catholic Register
- Excommunication decreed for Lefebvrite episcopal ordinations Vatican News
- Breakaway Catholic group excommunicated after defying warnings from Pope Leo CNN