About
120,000 words written by the Early Church fathers, Ecumenical Councils, local councils, saints, patriarchs, important kings and queens, and the popes themself, tell the story of the papacy in the early Christian Church. View the tool: https://www.iamcatholic.co/proof-of-the-papacy
You can also join this program via the mobile app. Go to the app
Overview
Price
Free