Christus Victor - An Historical Study Of The Three Main Types Of The Idea Of The Atonement

First published in 1931. Aulen identifies three main types of Atonement theories: the 'classic' view commonly known as 'Ransom Theory', the 'Latin' or 'objective' view, commonly known as 'Satisfaction' or 'Penal Substitution Theory', and the 'subjective' view, often known as the 'Moral Influence' theory.