Spirituality and Mysticism

1. Abandonment to Divine Providence, by Jean Pierre de Caussade, S.J., edited by Re. J. Ramiere, S.J., introduction by Dom Arnold, O.S.B., third English edition translated from the tenth complete French edition by E.J. Strickland (Exeter: Sydney Lee, Ltd., Catholic Records Press; St. Louis, Mo.: B. Herder Book Co.). With Imprimatur dated 1921. Available at Internet Archive and Open Library.
2. Adornment of the Spiritual Marriage; The Sparkling Stone; The Book of Supreme Truth, by Blessed John of Ruysbroeck (1916). Available at Internet Archive.
3. The Adornment of the Spiritual Marriage, by Blessed John Ruysbroeck. May be read online at Catholic Forum and at Catholic Treasury.
4. All for Jesus or, The easy ways of divine love, 14th ed. by Frederick William Faber (London, Burns & Oates, New York: Benziger, 1866). Available at Open Library and Internet Archive. (Digitizing sponsor: National Institute for Newman Studies, Book contributor: Saint Mary’s College of California)
5. Ascent of Mount Carmel, by St. John of the Cross, 1542-1591. May be downloaded in PDF format through the Saints’ Books index.
6. The Book of Supreme Truth, by Blessed John Ruysbroeck. Available at the Catholic Community Forum.
7. Christ is passing by, by St. Josemaria Escriva. May be read online at Josemaria Escriva (copyright Studium Foundation, rights reserved).
8. “The Christian Response to Suffering”: Message for the World Day of the Sick for the Year 2002, by Pope John Paul II. May be read online on this page of Women for Faith & Family (from Voices Online Edition, Lent-Easter 2002, Vol. XVII, No. 1); and at the Holy See.
9. Christian Spirituality in the Catholic Tradition, by Jordan Aumann, O.P. (San Francisco: Ignatius Press; London: Sheed & Ward, 1985, reprinted by Wipf and Stock Publishers, Eugene, Or.). With Imprimatur. May be purchased on this page of Ignatius Press, at Barnes & Noble, and at Amazon.com; and an edition printed by Continuum may be purchased at Bloomsbury. A section entitled “St. Dominic and the Friars Preachers” may be read online at Ignatius Insight.
10. On Cleaving to God – De Adhaerendo Deo, by St. Albert the Great – Latin & English Edition. May be read at Saints’ Works and may be downloaded in PDF and RTF formats through the Saints’ Books index.
11. The Complete Works of Saint John of the Cross, of the Order of Our Lady of Mount Carmel, translated from the original Spanish by David Lewis; edited by the Oblate Fathers of Saint Charles, with a preface by Cardinal Wiseman (London: Longman, Green, Longman, Roberts, & Green, 1864). Volume I may be read online, and is available in multiple formats (pdf, epub, kindle/mobi, etc.),  at Internet Archive and Internet Archive (2nd copy). Volume II is available at Internet Archive and Internet Archive (2nd copy). A microfilm copy containing both Volumes I and II is available at Internet Archive.
12. Concerning Virginity by St. Ambrose of Milan. May be downloaded in PDF format through the Saints’ Books index,
13. [Conferences on the Seven Gifts of the Holy Spirit] Collationes de Septem Donis S. Sancti, by St. Bonaventure of Bagnoregio, Doctor of the Church. Available through Franciscan Archive (Index of St. Bonaventure’s works): 1st Conference on grace, 2nd Conference on fear of the Lord, 3rd Conference on piety, 4th Conference, on knowledge, 5th Conference on fortitude, 6th Conference on the fortitude of Mary, 7th Conference on counsel, 8th Conference on understanding, 9th Conference on wisdom.
14. Considerations and Devout Meditations for Every Day During the Holy Season of Lent, with Gospels for the Sundays, etc. [short title, Devout Meditations for Every Day During the Holy Season of Lent], by an anonymous member of the Society of Jesus. Dublin, London: James Duffy, 1866. May be downloaded in PDF format (digitized by Google) from the index at Saints’ Books, and may be read at Google Books.
15. Considerations on the Eucharist viewed as the generative dogma of Catholic piety Olympe Philippe Gerbet (London : C. Dolman, 1840). Available on Internet Archive and Open Library (Digitizing sponsor: MSN, Book contributor: Kelly – University of Toronto).
16. The Consoling Thoughts of St. Francis de Sales. May be downloaded in PDF format through the Saints’ Books index,
17. Contemplations and Meditations on the Passion and Death, and on the Glorious Life of our Lord Jesus Christ, According to the Method of St. Ignatius, 5^th edition, translated from the French by a Sister of Mercy, revised by the Rev. William H. Eyre, S.J. (London: Burns & Oates; New York, Cincinnati, Chicago: Benziger Bros, 1901). With Imprimatur. Available at Open Library and Internet Archive (Digitizing sponsor: MSN, Book contributor: Kelly Library, University of Toronto).
18. Dark Night of the Soul, by St. John of the Cross, of the Order of Mount Carmel; fourth edition, revised, compared with the last critical Spanish edition of the works of the Saint (of R.P. Gerardo de San Juan de la Cruz), with all the variants translated and inserted (1916). With Imprimatur. Available at Internet Archive.
19. The Devotions of St. Anselm of Canterbury. May be downloaded in PDF format through the Saints’ Books index.
20. The Dialogue of the Seraphic Virgin St. Catherine of Siena, Dictated By Her, While In A State Of Ecstasy,  To Her Secretaries, And Completed In The Year Of Our Lord 1370, Together With An Account Of Her Death By An Eye-Witness, Translated From The Original Italian By Algar Thorold, A New And Abridged Edition. Contains A Treatise Of Divine Providence; A Treatise Of Discretion; A Treatise Of Prayer; A Treatise Of Obedience. May be read at Saints’ Works and may be downloaded in PDF and RTF formats through the Saints’ Books index.
21. The Directorium Asceticum; or, Guide to the Spiritual Life, Volume 1, 5^th edition, by Giovanni Battista Scaramelli, translated and edited at St. Beuno’s College, North Wales, with a Preface by Cardinal Manning (London: R. & T. Washbourne; New York, Cincinnati, Chicago: Benziger Brothers, 1902). Available at Internet Archive.
22. The Directorium Asceticum; or, Guide to the Spiritual Life, Volume 2, 5^th edition, by Giovanni Battista Scaramelli, translated and edited at St. Beuno’s College, North Wales, with a Preface by Cardinal Manning (London: R. & T. Washbourne; New York, Cincinnati, Chicago: Benziger Brothers, 1902). Available in various formats at Internet Archive. The 7^th edition (London, Birmingham, Manchester, Glasgow: R. & T. Washbourne, 1917) is available at Internet Archive and Open Library [labeled as Volume 1 on the OL index page].
23. The Directorium Asceticum; or, Guide to the Spiritual Life, Volume 3, 5^th edition, by Giovanni Battista Scaramelli, translated and edited at St. Beuno’s College, North Wales, with a Preface by Cardinal Manning (London: R. & T. Washbourne; New York, Cincinnati, Chicago: Benziger Brothers, 1902). Available in various formats at Internet Archive.
24. The Directorium Asceticum; or, Guide to the Spiritual Life, Volume 4, 5^th edition, by Giovanni Battista Scaramelli, translated and edited at St. Beuno’s College, North Wales, with a Preface by Cardinal Manning (London: R. & T. Washbourne; New York, Cincinnati, Chicago: Benziger Brothers, 1902). Available in various formats at Internet Archive.
25. The Divine Office, by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
26. The Divine Office: Considered from a Devotional Point of View, by Abbé Nicolas Bacuez, 1820-1892, ed. by Ethelred Luke Taunton, 1857-1907 (London : Burns and Oates ; New York : Catholic Publication Society, 1885?). With a foreword by Cardinal Manning. Available on Internet Archive and Open Library (Digitizing sponsor: MSN, Book contributor: Trinity College, University of Toronto).
27. “Dying is also part of life”: Address at the Rennweg Hospice in Vienna, June 21, 1998, by Pope John Paul II. Delivered during his Apostolic Journey to Austria (June 19-21, 1998). May be read online at the Holy See and the Congregation of the Clergy.
28. Eucharistica; or, a Series of Pieces, original and translated, on the Most Holy and Adorable Sacrament of the Eucharist, by Most Rev. W. [William] Walsh, Archbishop of Halifax (New York: Edward Dunigan & Brother, 1854). Available in various formats at Internet Archive and Open Library.
29. Four-Square; or, The Cardinal Virtues: Addresses to Young Men, by Joseph Rickaby, S.J. (New York: Joseph F. Wagner, 1908). With Imprimatur. Available in various formats at Internet Archive and Open Library, with a second copy at Internet Archive  and Open Library.
30. The Glories of the Sacred Heart, by Henry Edward Manning (London: Burns and Oates, 1876). Available at Open Library and Internet Archive.
31. The Groundwork of the Christian Virtues, seventh edition, by Archbishop [William Bernard] Ullathorne (London: Burns & Oates; New York, Cincinnati, Chicago: Benziger Brothers). With an 1882 Dedication. Available in various formats at Internet Archive, and Open Library. Audiobook available at LibriVox.
32. Heavenwards, by Mother Mary Loyola, edited by Father Thurston (New York: P. J. Kenedy, 1910). With Imprimatur. Spirituality, Prayer. Available at Open Library and Internet Archive. (Digitizing sponsor: MSN, Book contributor: Kelly – University of Toronto).
33. The Heliotropium (“Turning to Him”); or, Conformity of the Human Will to the Divine, from the Latin of Jeremias Drexelius [1531-1638], edited by Rev. Ferdinand E. Bogner (New York, Devin-Adair Co., 1917). With Imprimatur. Available at Open Library and Internet Archive.
34. Help Nearest when Need Greatest: a sermon preached in the Synod of Oscott on Sunday, July 11, 1852, by Henry Edward Manning (London: Burns and Lambert, 1852). Available at Open Library and Internet Archive.
35. The Hidden Treasure of the Holy Mass, by St. Leonard of Port Maurice. With Imprimatur (1890). May be read online at Catholic Tradition. [NB: Please approach other materials on the website with caution, as some have an extremely negative view of the Second Vatican Council, which must be corrected in light of Pope Benedict XVI’s hermeneutic of continuity.]
36. The History of the Passion of Our Lord Jesus Christ, Explained and Applied to the Christian Life, by James Groenings, S.J. (St. Louis, Mo.; Freiburg (Baden): B. Herder, 1908). With Imprimatur. Available in various formats at Internet Archive and Open Library.
37. The Holy Eucharist, by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
38. The Holy Mass, by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
39. Humility of Heart, from the Italian of Father Cajetan Mary da Bergamo, by Herbert Cardinal Vaughan (Westminster, Maryland: The Newman Bookshop, 1903). Available in various formats at Internet Archive.
40. I Saw Satan Fall: The Ways of Spiritual Warfare, by Benedict Heron, OSB (1997). May be read online at Christendom Awake.
41. The Imitation of Christ, by Thomas a Kempis. Prayer, Spirituality. May be read online at Catholic Treasury and at Our Lady’s Warriors. May be downloaded from Catholic Primer.
42. The Incarnation, Birth, and Infancy of Jesus Christ, or, The Mysteries of the Faith, by Saint Alfonso Maria de’ Liguori [St. Alphonsus Maria de Liguori], ed. Eugene Grimm (New York, Cincinnati, and Chicago: Benziger Brothers, 1886). With Approbation from the Congregation of the Most Holy Redeemer. Available on Internet Archive and Open Library (Digitizing sponsor: MSN; Book contributor: Kelly Library, University of Toronto). May be downloaded in PDF format through the Saints’ Books index,
43. The Inner Way, by Johannes Tauler, O.P. Available at Catholic Primer. Mysticism, Spirituality, Prayer.
44. The Imitation of Christ, by Thomas a Kempis. Prayer, Spirituality. May be read online at Catholic Treasury and downloaded from Catholic Primer.
45. The Interior Castle, by St. Teresa of Avila, (1515- 1582). Prayer, Spirituality, Mysticism. Available on Catholic Treasury.
46. The Interior of Jesus and Mary, Volume I, third edition, by the Rev. J. [Jean Nicolas] Grou, S.J., edited by S.H. Frisbee, S.J. (New York, Cincinnati, Chicago: Benziger Brothers, 1893). Available in various formats at Open Library and Internet Archive.
47. The Interior of Jesus and Mary, Volume II, by the Rev. J. [Jean Nicolas] Grou, S.J., translated by a Member of the Ursuline Community (Dublin: James Duffy, 1847). Available in various formats at Internet Archive. [N.B., The Internet Archive index page incorrectly labels the work as Notes of Spiritual Retreats and Instructions, Volume II, by Rev. John Morris. S.J]
48. Introduction to the Devout Life, by Saint Francis de Sales. Available at Catholicity.
49. Lent, Learning to Love like Jesus, by Fr Sean Finnegan (Catholic Truth Society, 2008). May be downloaded in PDF format through the Catholic Truth Society, which states that it provides “Spiritual preparation for celebrating Easter”.
50. Lenten sermons, by Augustine Wirth, O.S.B. (Elizabeth, NJ, 1891). Available on Open Library and Internet Archive (Digitizing sponsor: MSN; Book contributor: Kelly Library, University of Toronto)
51. Letters, by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
52. Letters II by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
53. Letters III, by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
54. Letters IV by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index, which provides the following excerpt:
55. Letters V by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
56. Life of Our Lord and Saviour Jesus Christ, by St. Bonaventure. May be downloaded in PDF format through the Saints’ Books index,
57. The Love of Jesus to Penitents, by Henry Edward Manning (London: Burns, Oates, and Co., 1872). Available at Internet Archive and Open Library.
58. The Mind’s Road to God, by St. Bonaventure. May be downloaded in PDF format through the Saints’ Books index,
59. On Loving God, by St. Bernard of Clairvaux. May in PDF format through the Saints’ Books index,
60. A Manual of Ascetical Theology: or, The Supernatural Life of the Soul on Earth and in Heaven, by Arthur Devine (London; New York: R. & T. Washbourne, 1902). With Imprimatur. Available on Internet Archive and Open Library (Digitizing sponsor: MSN; Book contributor: Kelly Library, University of Toronto).
61. Manual of Christian Perfection, by P.J. Stockman, adapted from the celebrated Method of Spiritual Direction by the Rev. J.B. Scaramelli, S.J. With Imprimatur. Available at Open Library and Internet Archive.
62. A Manual of Mystical Theology, or, The Extraordinary Graces of the Supernatural Life Explained, by Arthur Devine (London: R. & T. Washbourne, 1903). With Imprimatur. Available on Internet Archive and Open Library (Digitizing sponsor: MSN; Book contributor: Kelly Library, University of Toronto).
63. Manual of self-knowledge and Christian perfection, compiled from various sources by John Henry. (New York: Benziger, 1913). With Imprimatur. Available in various formats at Open Library and Internet Archive.
64. Mary, Help of Christians: And the Fourteen Saints Invoked as Holy Helpers: Instructions, Legends, Novenas and Prayers with Thoughts of the Saints for Every Day in the Year, compiled by Bonaventure Hammer (New York, Cincinnati, Chicago: Benziger Brothers, 1909). With Imprimatur. Available in many formats at Manybooks.net.
65. Meditations for Lent from St. Thomas Aquinas, by Saint Aquinas Thomas, 1225?-1274, translated by Philip Hughes (London: Sheed & Ward, 1917). With Imprimatur. [LINKS DELETED MOTU PROPRIO due to copyright concerns, it being learned that Philip Hughes passed away only in 1967]
66. Meditations for the use of the secular clergy, by Pierre Chaignon, 1791-1883, translated by Bishop Louis De Goesbriand, 1816-1899 (New York, Cincinnati [etc.] Benziger brothers, 1907). Available on Internet Archive and Open Library (Digitizing sponsor: MSN, Book contributor: Kelly – University of Toronto).
67. Meditations of St. Francis De Sales. May be read online at Christ’s Faithful People.
68. The Mind’s Road to God, by St. Bonaventure. May be downloaded in PDF format through the Saints’ Books index,
69. Mirror of the Blessed Virgin Mary, by St. Bonaventure. May be downloaded in PDF format through the Saints’ Books index,
70. Miscellany by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
71. The Mission of the Contemplative Orders (Techny, Illinois: Society of the Divine Word). With 1912 Imprimatur. Distributed by the Monastery of Poor Clares, West Park, Ohio. Available in various formats (pdf, epub, mobi/kindle, etc.) at Internet Archive.
72. Mystical Flora or the Christian Life under the Emblem of Plants by St. Francis de Sales. May be downloaded in PDF format through the Saints’ Books index,
73. Mysticism: Its True Nature and Value; With a Translation of the “Mystical Theology” of Dionysius, and of the Letters to Caius and Dorotheus (1, 2, and 5), 2^nd edition, with introduction and appendices, by A.B. Sharpe (London, Edinburgh: Sands & Company; St. Louis, Mo.: B. Herder). With 1910 Imprimi Potest. May be read online, and available in various formats (pdf, epub, kindle/mobi, etc.), at Internet Archive, with a second copy at Internet Archive (2nd copy) and Open Library. It may also be read online and downloaded in pdf format at Forgotten Books, with some pages unavailable for non-members.
    • What appears to be the first edition of the work may be read online (on this page) at the Jacques Maritain Center, with another copy (on this page) at a second webpage of the Jacques Maritain Center. It is also available in various formats at Internet Archive and Open Library, with a second copy at Internet Archive and Open Library, and a third copy at Internet Archive.
    • The work is being offered for sale in hardcover, paperback and kindle ebook formats at Amazon and Amazon (2^nd copy), and in paperback format at Amazon and Amazon (2nd copy). The ebook is also offered for sale at Barnes & Noble (Nook format) and Google Books.
74. The New Journey to God, by Catherine Dalzell (1995). With Imprimatur. May be read online beginning at this page of Christendom Awake, which contains Chapter 1 and links to Chapter 2. (The webpage states: “This book is reproduced with the author’s permission.”)
75. Notes of Spiritual Retreats and Instructions, given by Rev. John Morris. S.J. (New York, Cincinnati, Chicago: Benziger Brothers; London : Art and Book Co., 1894). Available in various formats at Open Library and Internet Archive.
76. On Union with God, by Saint Magnus Albertus, 1193-1280, with notes by P. J Berthier, translated by a Benedictine of Princethorpe Priory (London: R. & T. Washbourne, 1911). With Imprimatur. Available on Internet Archive and Open Library (Digitizing sponsor: MSN; Book contributor: Regis College Library, University of Toronto).
77. The Passion and Crucifixion of Jesus & the Seven Last Words, by Saint Alphonsus De Liguori. Selections from his The Passion and the Death of Jesus Christ, translated from the Italian, edited by Rev. Eugene Grimm, C.Ss.R. (New York: Benziger Brothers, 1887), further edited and language modernized by Br. Sean, a choir monk, 2009, from an etext at archive.org. With notes & picture. The selections center on the later stage of the Passion of Christ from His scourging to His crucifixion, with meditations on the seven words. Available at Internet Archive and Internet Archive (2^nd copy).
78. The Passion and the Death of Jesus Christ, by St. Alphonsus Maria de Liguori (New York, Cincinnati, St. Louis: Benziger Brothers, 1886). The Complete Works of Saint Alphonsus De Liguori, Doctor of the Church, translated from the Italian, edited by Rev. Eugene Grimm, C.Ss.R. The Ascetical Works, Volume 5. With approbation (New York: Benziger Brothers, 1886). May be downloaded in PDF format through the Saints’ Books index.
79. The Practice of the Presence of God, by Brother Lawrence of the Resurrection. Available in multiple formats at Project Gutenberg and Internet Archive,
80. Prayer: The great means of obtaining Salvation and all the graces which we desire of God, by St Alphonsus de Liguori. Prayer, Spirituality. May be read online at Catholic Treasury.
81. Preparation for Death, by Saint Alphonsus Maria De Liguori. Available in PDF format in 4 parts (Part I, Part II, Part III, and Part IV) at Documenta Catholica Omnia. Likewise available in PDF format in 4 parts (Part I, Part II, Part III, and Part IV) at Good Catholic Books: Saint Alphonsus de Liguori. Another translation, edited by Rev. Orby Shipley (Philadelphia, J.B. Lippincott & Co.; London: Rivingtons, 1869) is available in PDF format on this page of Saints’ Books. (N.B., However, reader Jane MacIlshenaich in her comment informed us that the Shipley edition is a Protestant edition that omits references to the Blessed Mother and Purgatory.)
82. Prophecies and Revelations of St. Bridget of Sweden. May be read at Saints’ Works and may be downloaded in PDF and RTF formats through the Saints’ Books index,
83. The Religious State: a Digest of the Doctrine of Suarez, Contained in his Treatise “De Statu Religionis”, by William Humphrey, 1839-1910; based on the work by Francisco Suarez, 1548-1617; (London : Burns and Oates, 1884). Volume I available on Open Library and Internet Archive (Book contributor: Kelly Library, University of Toronto). Volume II available on Open Library and Internet Archive (Book contributor: Kelly Library, University of Toronto). Volume III available on Open Library and Internet Archive (Digitizing sponsor: MSN; Book contributor: Regis College Library, University of Toronto).
84. The Religious State: Together with a Short Treatise on the Vocation to the Priesthood, 2^nd edition, translated from the Italian of St. Alphonsus De Liguori, edited by Rev. Eugene Grimm, C.Ss.R. (New York, Cincinnati, Chicago: Benziger Brothers, 1889). Available in various formats at Internet Archive and Forgotten Books; and may be read online (on this page) at Hathi Trust.
85. A Retreat for Women in Business: in fourteen conferences, by the Rev.  J. A. McMullan, C.SS.R. (New York : J.F. Wagner, 1916). With Imprimatur. Available in various formats at Internet Archive and Open Library.
86. A Rule of Life: For Daily Christian Living, by Michael Woodgate. May be downloaded in PDF format through the Catholic Truth Society, which states that it provides “Suggestions on how to live a Christian life amidst the business of every day”.
87. The Rule of St. Benedict – Latin and English Edition May be downloaded in PDF format through the Saints’ Books index
88. Rule of St. Benedict: a commentary by the Right Rev. Dom Paul Delatte, Abbot of Solesmes and Superior-General of the Congregation of the Benedictines in France, translated by Dom Justin McCann, monk of Ampleforth (London: Burns Oates & Washbourne, 1921). With Imprimatur. Available in various formats at Open Library and Internet Archive.
89. The Scale (or Ladder) of Perfection, by Walter Hilton; with an essay on the spiritual life of mediaeval England by Rev. J. B. Dalgairns. May be read online, and available in pdf, epub, mobi and other formats at Internet Archive, with a 2^nd copy at Internet Archive; and available in pdf format at Christian Classics Ethereal Library.
90. Self-Knowledge and Self-Discipline, by B.W. Maturin (London, New York, Bombay, Calcutta, Madras: Longmans, Green and Co., 1916). With Imprimatur. May be read online, and available in various formats (pdf, kindle/mobi, epub, etc.) at Internet Archive, Internet Archive (2nd copy), and Internet Archive (3rd copy). An earlier edition (London, New York, Bombay, Calcutta: Longmans, Green and Co., 1909) is also available at Internet Archive and at Forgotten Books (with some pages accessible to members only).
91. The Seven Spiritual Weapons by St. Catherine of Bologna. May be downloaded in RTF format through the Saints’ Books index,
92. The Seven Words on the Cross, by St. Robert Bellarmine. With Imprimatur. May be read online at Christ’s Faithful People.
93. The Shepherd of Hermas (c.100 AD). Translated by F. Crombie. From Ante-Nicene Fathers, Vol. 2. Edited by Alexander Roberts, James Donaldson, and A. Cleveland Coxe. (Buffalo, NY: Christian Literature Publishing Co., 1885.). Available at New Advent, with active links to relevant Scripture passages and Catholic Encyclopedia articles (Revised and edited for New Advent by Kevin Knight; copyright 2009 by Kevin Knight)
94. The Sight of Hell, by Rev. John Furniss, C.SS.R. (Dublin: James Duffy and Co., Limited, 1874). Books for Children and Young Persons, Book X. With the permission of superiors. Available at Open Library and Internet Archive.
95. Sin and its Consequences, by Henry Edward Manning (London: Burns and Oates, 1876). From microfilm. Available at Internet Archive and Open Library.
96. Sin and its consequences, 3^rd ed., by Henry Edward Manning (New York, Montreal, D. & J. Sadlier & Company, [1869?]). Available at Interne Archive and Open Library.
97. The Sinner’s Guide, by Venerable Louis of Granada, O.P., a new and revised translation by a Father of the same Order (New York: P.J. O’Shea, 1890). With Imprimatur; and containing approbatory letter of Pope Gregory XIII. May be read online, and available in pdf, mobi, epub, and other formats, at Internet Archive.
98. The Sinner’s Guide, in Two Books; Book I. Containing a Full and Ample Exhortation to the Pursuit of Virtue, with Instructions and Directions How to Become Virtuous; Book II. The Doctrine of Virtue, with Necessary Instructions and Advice for Making a Man Virtuous, by the Rev. F. Lewis of Granada, Provincial of the Order of St. Dominick, in the Kingdom of Portugal, translated from the Spanish (Philadelphia: Henry. McGrath, 1844). With the favorable recommendation of the Bishop of Philadelphia. Available in pdf format on this page of Saints’ Books; and may be read online, and available in pdf, mobi, epub, and other formats, at Internet Archive.
99. The sinners guide from vice to virtue; giving him instructions and directions how to become virtuous. 2d ed., carefully rev. and corr. Written originally in Spanish, by the Reverend Father Lewis of Granada (London: N. Gibson, 1760). Available at Open Library and Internet Archive
100. The Sparkling Stone, by Blessed John Ruysbroeck [or John van Ruysbroeck, or Jan Van Ruusbroec]. May be read online at Catholic Community Forum. Another edition from the Amherst Manuscript, which uses older English spelling, is available on Umilta.
101. The Spirit of St. Ignatius, by Xavier de Franciosi (London: Burns and Oates, 1892). With Imprimatur. Available on Internet Archive and Open Library (Digitizing sponsor: MSN; Book contributor: Regis College Library, University of Toronto).
102. Spiritual Canticle of the Soul and the Bridegroom Christ, by St. John of the Cross (1919). With Imprimatur. Available at Internet Archive.
103. The Spiritual Life: A Treatise on Ascetical and Mystical Theology, by Adolphe Tanquerey, Herman Branderis (Tournai, Belgium: Society of St. John the Evangelist, Desclée, 1932). With Imprimatur. [Link deleted due to copyright concerns, as we just learned that Rev. Branderis passed away only in 1963.]
104. Spiritual Pepper and Salt for Catholics and non-Catholics, by William Stang, 1854-1907 (New York, Cincinnati, Chicago: Benziger brothers, 1902). With Imprimatur. Available on Internet Archive and Open Library (Digitizing sponsor: MSN; Book contributor: Kelly Library, University of Toronto).
105. Spiritual Retreats: Notes of Meditations and Considerations given in the Convent of the Sacred Heart, Roehampton, by Most Rev. George Porter, S.J. (London: Burns & Oates; New York: Catholic Publication Society, 1888). With Imprimatur. Available in various formats at Internet Archive and Open Library.
106. Spiritual Theology, by Jordan Aumann, O.P. (Manila: University of Santo Tomas Faculty of Theology, 1989). With Imprimatur. May be read online at [LINK(S) REMOVED motu proprio PENDING COPYRIGHT CHECK]
107. The Three Ages of the Interior Life, by Reginald Garrigou-Lagrange, O.P. On Prayer and Spirituality. May be read online on [LINK(S) REMOVED motu proprio PENDING COPYRIGHT CHECK] [According to the website, The summary of a course in ascetical and mystical theology given for over 20 years at the Angelicum in Rome]
108. The True Spouse of Jesus Christ, by  St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
109. Uniformity with God’s Will by St. Alphonsus Maria de Liguori. May be downloaded in RTF format through the Saints’ Books index,
110. Vocations Explained: Matrimony, Virginity, the Religious State, and the Priesthood, by a Vincentian Father. (New York, Cincinnati, Chicago: Benzinger Brothers, 1897). Published with the permission of the Superior General of the Congregation of the Mission. With Imprimatur. May be read online, and available in PDF format and in RTF format at the Saints’ Books. [N.B., The front page states that ‘”Vocations Explained” is a compendium of “Questions on Vocations,” a catechism approved by His Eminence Cardinal Gibbons; His Eminence Cardinal Satolli; by five Archbishops and twenty-two Bishops; also by numerous priests and religious Brothers and Sisters.’]
111. Vocation to the Religious State, taken from the writings of St. Alphonsus de Liguori by the Rev. Cornelius J. Warren, C.Ss.R. (Boston, Mass.: Mission Church Press, 1926). With Imprimatur. May be read online, and may be downloaded in PDF format and RTF format, through the Saints’ Books index. Available in multiple formats at Internet Archive.
112. Les Voies Ordinaires de la Vie Spirituelle: traité de théologie ascétique d’après les principes de Se Thérèse, proclamés par le Congrès Carmélitain de Madrid (Mars 1923) à l’usage des séminaires, du clergé et des gens du monde, by Mgr. Albert Farges (Paris: Lethielleux; Librairie Saint-Paul, 1925). With Imprimatur. Available at Internet Archive and Open Library.
113. The Way, by St. Josemaria Escriva. May be read online on Josemaria Escriva (copyright Studium Foundation, rights reserved)
114. The Way of Perfection, 2nd ed., translated from the autograph of Saint Teresa of Jesus by the Benedictines of Stanbrook including all the variants from the Escorial and Valladolid editions; revised with notes and an introduction by F. Benedict Zimmerman; with additional notes by the translator. (London: Baker, 1919). Available at Open Library with a 2nd copy here and a 3rd copy here.
115. The Way of Perfection, by Saint Teresa of Jesus (Teresa of Avila), with the preface to the first edition by Archbishop Theotonio de Braganza, translated by the Benedictines of Stanbrook Abbey, revised with notes and an introduction by the Very Rev. F. Benedict Zimmerman, 2^nd edition with additional notes by the translator (London: Thomas Baker, 1919). With Imprimatur. May be read online, and available in multiple formats, at Internet Archive and Internet Archive (2^nd copy) . The 1^st edition (London: Thomas Baker, 1919), is available at Internet Archive.
116. The Way of Salvation and Perfection by St. Alphonsus Maria de Liguori. May be downloaded in PDF format through the Saints’ Books index,
117. The Way of the Lord Jesus. Volume 1, Christian Moral Principles, by Germain Grisez. Available at The Way of the Lord Jesus, with a general overview here.
118. The Way of the Lord Jesus. Volume 2, Living a Christian Life, by Germain Grisez. Available at The Way of the Lord Jesus, with a general overview here.
119. The Way of the Lord Jesus. Volume 3, Difficult Moral Questions, by Germain Grisez. Available at The Way of the Lord Jesus, with a general overview here.