Thomas à Kempis

• The Imitation of Christ

Lancelot Andrews

John Braille

Benedict of Nursia

• The Holy Rule of Saint Benedict

Bernard of Clairvaux

• Saint Bernard on Consideration
• Saint Bernard on the Love of God

Dietrich Bonhoeffer

John Bunyan

• Grace Abounding to the Chief of Sinners
• The Holy War
• Instructions for the Ignorant
• The Pilgrim’s Progress

George A. Buttrick

John Calvin

• Institutes of the Christian Religion
• Tracts Relating to the Reformation, Volume 2

Catherine of Genoa

Catherine of Siena

John Chrysostom

Jean-Pierre de Caussade

Francis de Sales

• An Introduction to the Devout Life

John Donne

Jonathan Edwards

Francois Fenelon

George Fox

Francis of Assisi

• Writings of Saint Francis of Assisi

Gregory of Nyssa

Jean Nicholas Grou

Madame Guyon

Ignatius of Loyola

• The Spiritual Exercises of St. Ignatius of Loyola

John of the Cross

• The Ascent of Mount Carmel
• The Dark Night of the Soul

E. Stanley Jones

Julian of Norwich

Toyohiko Kagawa

Thomas Kelly

Søren Kierkegaard

Frank Laubach

William Law

Brother Lawrence

• The Practice of the Presence of God

C. S. Lewis

Martin Luther

• Galatians: Crossway Classic Commentaries
• Martin Luther’s 95 Theses

Thomas Merton

Henri Nouwen

Blaise Pascal

Isaac Penington

Richard Rolle

St. Augustine

• The Confessions of St. Augustine
• Epistulae. Selections (Latin)

Sadhu Sundar Singh

Charles Spurgeon

• A Catechism, With Proofs
• Morning and Evening
• The Pastor in Prayer

Douglas V. Steere

Jeremy Taylor

William Temple

Teresa of Avila

• The Interior Castle

Theologia Germanica

Friedrich von Hugel

Evelyn Underhill

John Wesley

• Sermons, on Several Occasions

Dallas Willard

John Woolman