The Protestant and a Catholic view of Revelation compared

Protestant

Physical Source: Material Principle: Scripture exclusively[1]

Intelligible Unity (Meaning): Formal Principle: Scripture self-interpreted

Catholic

Physical Source: Material Principle: Scripture primarily[2]

Intelligible Unity (Meaning): Formal Principle: Apostolic Tradition = Councils & Creed

[1] Opposed to private revelation.
[2] Open to private revelation.