B. Эзотерика
Rosicrucian Thoughts on the Ever-burning Lamps of the Ancients (reprinted from The Freemason), 1885
Sepher Yetzirah. The Book of Formation and the Thirty-Two Paths of Wisdom, translated from the Hebrew. Bath, 1887 (second edn., 1893; third edn., 1911)
Tabula Bembina sive Mensa Isiaca. The Isiac Tablet of Cardinal Bembo, its History and Occult Significance, Bath, 1887
Nicholas Flammel. His Exposition of the Hieroglyphic Figures… translated from the French, 1624; Preface by W. W. Westcott, 1889
Numbers: their Occult Power and Mystic Virtue, 1890 (second edn., 1902; third edn., 1911)
The Science of Alchymy, Spiritual and Material. An Essay by Sapere Aude (i. e. Westcott), 1893
Collectanea Hermetica. Edited by W. Wynn Westcott, 1893—1896, 8 vols.
1: An English Translation of the Hermetic Arcanum… with a Preface and Notes, 1893
2: The Pymander of Hermes, with a Preface by the Editor, 1894
3: A Short Enquiry concerning the Hermetic Art… 1714, Preface by Non Omnis Moriar (i. e. Westcott). An Introduction to Alchemy and Notes by S. S. D. D. (i. e. Florence Farr), 1894
4: Aesch Mezareph, or Purifying Fire… 1714, Preface, Notes and Explanations by Sapere Aude (i. e. Westcott), 1984
5: Somnium Scipionis translated into English… by L. O. (i. e. Percy Bullock)… The Symbols of Pythagoras, by S. A. (i. e. Westcott), 1894
6: The Chaldaean Oracles of Xoroaster. Edited and Revised, 1895
7: Euphrates or the Waters of the East, by Eugenius Philalethes, 1655, 1896
8: Egyptian Magic, by S. S. D. D. (i. e. Florence Farr), 1896
The Magical Ritual of the Sanctum Regnum, interpreted by the Tarot Trumps. Translated from the MSS. of Eliphaz Levi, and edited, 1896
History of the Societias Rosicruciana in Anglia, 1900
The Serpent Myth. A Lecture read before the Bradford Lodge of the Order of Light, 1906 (Pamphlet)
An Introduction to the Study of the Kabalah, 1910
The Rosicrucians, Past and Present, at Home and Abroad, 1915 (pamphlet)
Data of the History of the Rosicrucians, 1916 (Pamphlet)
The Magical Mason: Forgotten Hermetic Writings of William Wynn Westcott, Physician and Magus. Edited and Introduced by R. A. Gilbert, Wellingborough, 1983 (a collection of twenty-eight papers, including four that were previously unpublished)
Также Уэсткотт написал предисловия к трем томам труда F. L. Gardner «A Catalogue Raisonné of Works on the Occult Sciences» : Vol. I, Rosicrucian Books, 1903 (second edn., 1923 with a revised Introduction); Vol. II, Astrological Books, with a Sketch of the History of Astrology, 1911; Vol. III, Freemasonry. A Catalogue of Lodge Histories (England), 1912. Скетч об астрологии Уэсткотта из второго тома также был издан отдельной брошюрой.
