St. Thomas Aquinas. Summa Contra Gentiles (Of God and His Creatures), trans. by J. Rickaby, London, 1905.
St. Augustine. Confessions, trans. by Rev. C. Bigg. London, 1898.
Venerable Augustine Baker. Holy Wisdom, or Directions for the Prayer of Contemplation. London, 1908.
Charles Baudouin. Suggestion et Auto-suggestion. Paris, 1920.
Harold Begbie. William Booth, Founder of the Salvation Army. London, 1920.
William Blake. Poetical Works, with Variorum Readings by J. Sampson, Oxford, 1905.
—Jerusalem, edited by E.R.D. Maclagan and A.E.B. Russell. London, 1904.
Jacob Boehme. The Aurora, trans. by J. Sparrow, London, 1914.
—Six Theosophic Points, trans. by J.R. Earle, London, 1919.
—The Way to Christ. London, 1911.
St. Bonaventura. Opera Omnia. Paris, 1864-71.
Bernard Bosanquet. What Religion Is. London, 1920.
Dan Cuthbert Butler. Benedictine Monachism. London, 1919.
St. Catherine of Siena. The Divine Dialogue, trans. by Algar Thorold. London, 1896.
The Cloud of Unknowing, edited from B.M. Harl, 674, with an Introduction by Evelyn Underhill. London, 1912.
G.A. Coe. A Social Theory of Religious Education. New York, 1920.
Benedetto Croce. AEsthetic, or the Science of Expression, trans. by D. Ainslie. London, 1909.
—Theory and History of Historiography, trans. by D. Ainslie. London, 1921.
Dante Alighieri. Tutte le Opere. Rived. nel testo da Dr. E. Moore. Oxford, 1894.
Abbot Delatte. The Benedictine Rule. Eng. trans. London, 1921.
John Donne. Sermons: Selected Passages, with an Essay by L. Pearsall Smith. Oxford, 1919.
Meister Eckhart. Schriften und Predigten aus dem Mittelhochsdeutschen. Ubersetzt und herausgegeben von Buttner. Leipzig, 1903.
John Everard. Some Gospel Treasures Opened. London, 1653.
George Fox. Journal, edited from the MSS. by N. Penney. Cambridge, 1911.
Elizabeth Fry. Memoir with Extracts from her Journals and Letters, edited by two of her Daughters, 2nd. ed. London, 1848.
Edmund Gardner. St. Catherine of Siena. London, 1907.
Gabriela Cunninghame Graham. St. Teresa, her Life and Times. London, 1894.
Viscount Haldane. The Reign of Relativity. London, 1921.
J.O. Hannay. The Spirit and Origin of Christian Monasticism. London, 1903.
F.H. Hayward. The Lesson in Appreciation. New York, 1915.
F.H. Hayward and A. Freeman. The Spiritual Foundations of Reconstruction. London, 1919.
Violet Hodgkin. A Book of Quarter Saints. London, 1918.