A Spiritual Canticle of the Soul and the Bridegroom Christ by St. John of the Cross

Dark Night of the Soul by St. John of the Cross 

Dialog of Catherine of Siena by St. Catherine of Siena 

On Cleaving to God attr. to St. Albert the Great

On the Incarnation by St. Athanasius

Selected Works and Letters by St. Athanasius

Revelations of Divine Love by St. Julian of Norwich

On Loving God by St. Bernard of Clairvaux

Some Letters of St. Bernard of Clairvaux

Confession of St. Patrick by St. Patrick

The Confessions of Saint Augustine

The Spiritual Exercises of St. Ignatius of Loyola

Uniformity With God's Will by St. Alphonsus Ligouri

Introduction to the Devout Life by St. Francis de Sales