<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1906385056278061&ev=PageView&noscript=1" />

encyclopedia

Aeterni Patris (Apostolic Letter)

Apostolic letter of Pius IX, by which he summoned the First Vatican Council

Enjoying this content?  Please support our mission!Donate
By continuing to use this site you agree to our Terms and that you have read our Privacy Policy.