Beards, Azymes, and Purgatory - A. Edward (Professor of Religion and Clement and Helen Pappas Siecienski - Bog

In Beards, Azymes, and Purgatory A. Edward Siecienski argues that seemingly minor issues-the beardlessness of the Latin clergy, the Western use of unleavened bread in the Eucharist, and the doctrine of Purgatory-played a significant role in the schism between the Catholic and Orthodox churches.