Treatise on the Power and Primacy of the Pope

The Treatise on the Power and Primacy of the Pope (1537) (Latin: Tractatus de Potestate et Primatu Papae), The Tractate for short, is the seventh Lutheran credal document of the Book of Concord. Philip Melanchthon, its author, completed it on 17 February 1537 during the assembly of princes and theologians in Smalcald.

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