In Supremo Apostolatus

Condemning the Slave Trade

apostolic letterPope AntecedentsChurch in the world

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Original text published before 1931: public domain in the US. Modern English translations (e.g. vatican.va's) may still be under copyright.

Short link

This catalogue

In Supremo Apostolatus (1839). Condemning the Slave Trade. docs.church. https://docs.church/in-supremo-apostolatus

Official citation

Gregory XVI, In Supremo Apostolatus (3 December 1839). https://www.papalencyclicals.net/greg16/g16sup.htm