- Spiritual & Demonic Magic – from Ficino to Campanella * Daniel Pickering Walker (1958 * isbn 0750923725) esotericism, occultism
- Spiritual Alchemy – Robert Ambelain (2005) alchemy
- Spiritual Body And Celestial Earth * Henry Corbin (1977) esotericism, religion, traditionalism
- Spirituality: forms, foundations, methods * Kees Waaijman (2003 * isbn 9042911832) religion
- Studies In Freemasonry & The Compagnonnage * René Guenon (1964/2004) freemasonry
- Studies On Traditional Freemasonry – Fabio Venzi (2013) freemasonry, traditionalism
- Sufism For Western Seekers * Stewart Bitkoff (2011) esotericism, spirituality
- Sufism: The Essentials – Mark Sedgwick (2000) history
- Summoning The Gods * Collin Cleary (2011) asatru / heathen
- Sunwheel 16 asatru / heathen, magazines
- Swedenborg And Esoteric Islam * Henry Corbin (1995) esotericism, religion
- Symbel, a journal of early Germanic studies asatru / heathen, journal
- Symbolen, de taal van kunst en liturgie * Alfred C. Bronswijk (isbn 9023901479 * 1987) religion, symbolism
- Symboliek In Extreemrechtse Jongerensubculturen (2006 alert! / kafka) no category
- Symbolism Of Freemasonry * Albert G. Mackey (1882) freemasonry
- Symbols and Pictures * Alastair Mack (2007) history, Picts
- Symbols Of Freemasonry * Daniel Béresniak (isbn 2843232015) freemasonry
- Symbols Of Sacred Science * René Guénon (2004) comparative mythology, comparative religion, esotericism, religion, symbolism, traditionalism
- symposion booklet Karl von Eckartshausen: Hoe De Reden Ons God Verklaart (2006 * isbn 9067323276) esotericism, philosophy, rosicrucianity
- Symposionreeks 16 J.A. Comenius (2007) history
- Symposionreeks 18 De Wijsheid van Hermes (2007) hermetism
- symposionreeks Bruno “een komeet raasde over Europa” (isbn 9067322679) esotericism, rosicrucianity
- symposionreeks Ficino: brug naar de hermetische gnosis (isbn 9067322504) esotericism, rosicrucianity
- Syncretic Indo-European Faith – Zachary Gill (2020) comparative mythology
- Tacitus: De Opstand Van De Bataven * Vincent Hunink (transl.) (athenaeum 2005 * isbn 9025353347) asatru / heathen, history
- Tantric Traditions – Gwendolyn Taunton (2018) esotericism
- Tarot & Kabbalah * Samuel Aun Weor (1978/2010) esotericism, spirituality
- Teachings of Zoroaster and the Philosophy of the Parsi Religion (1908) * S. A. Kapadia (isbn 0766101320) religion
- Terug Naar De Bron – symposion booklet (isbn 9067322660) gnosticism, hermetism, rosicrucianity
- Teutonic Mythology * Viktor Rydberg (1891/2001) asatru / heathen, mythology
- The ‘Universal Language’ of Freemasonry – Christina Voss (2004) freemasonry
- The Appleseed Journal * Stewart Bitkoff (2015) novel, spirituality
- The Archetypal Temple – Jaime Paul Lamb (2011) esotericism, freemasonry
- The Art and Science of Initiation – Jedediah French & Angel Millar (editors) (2019) freemasonry, traditionalism
- The Art Of Memory * Frances Amelia Yates (071265545X) esotericism
- The Betrayal of Tradition: essays on the spiritual crisis of modernity * Harry Oldmeadow (2005 world wisdom * isbn 0941532550) traditionalism
- The Bhagavad-Gͮt͢ * translated and elucidated by William Quan Judge (isbn 0911500278) religion, theosophy
- The Book Of Ceremonial Magic * Arthur Edward Waite (isbn 1853263559) occultism
- The Book Of Runes * Francis Melville (Barron’s 1993 * isbn 0764155512) asatru / heathen, runes
- The Book Of Settlements (Landnámabók) * translated by Hermann Pálsson and Paul Edwards (1972) asatru / heathen, history
- The Bosome-Book * George Ripley (fbn press) alchemy
- The Bushman Way of Tracking God * Bradford Keeney (2010) spirituality
- The Celts, bronze age to new age * John Haywood (2004 pearson eduction * isbn 058250578X) celts, history
- The Chemical Wedding Of Christian Rosenkreutz * Basilius Valentinus (transl. Joscelyn Godwin) (isbn 0933999356) rosicrucianity
- The Chicken Qabalah * Lon Milo DuQuette (isbn 1578632153) kabbalah
- The Chinese Gnosis * Jan van Rijckenborgh and Catharosa de Petri (isbn 9067321834) rosicrucianity
- The Christian Kabbalah * Joseph Dan (1997) kabbalah
- The Copper Scroll Decoded * Robert Feather (isbn 0722538022) history, religion
- The Craft – John Dickie (2020) freemasonry
- The Crescent And The Compass * Angel Millar (2015) esotericism, freemasonry, religion
- The Crisis Of The Modern World * René Guénon (2004) history, religion, traditionalism
- The de Grainville Manuscripts – M.R. Osborne (2024) esotericism
- The Destiny Of A King * Georges Dumézil (1973) asatru / heathen, celts, comparative mythology
- The Destiny Of The Warrior * Georges Dumézil (1970) asatru / heathen, celts, comparative mythology
- The Destruction Of The Christian Tradition * Rama P. Coomaraswamy (2006) religion
- The Doctrine Of Awakening * Julius Evola (1943/1996) esotericism, religion
- The Door In The Sky * Ananda Kentish Coomaraswamy (1997 princeton university press * isbn 0691017476) comparative mythology, symbolism, traditionalism
- The Dream of Rood and Cyn(e)wulf and Other Critical Essays * Louis Rodrigues (1998) asatru / heathen, literature
- The Edda As Key To The Coming Age * Peryt Shou (translator Stephen E. Flowers) (2004 Rûna-Raven Press) asatru / heathen, esotericism
- The Egyptian Arch-Gnosis * Jan van Rijckenborgh rosicrucianity
- The Egyptian Book Of The Dead (the papyrus of Ani) * Ernest Alfred Thompson Wallis Budge (1895 * 1975 dover books * isbn 048621866x) religion
- The Elixer And The Stone * Michael Baigent and Richard Leigh (isbn 0140247939) esotericism, history
- The Emerald Tablet: Alchemy For Personal Transformation – Dennis William Hauck (1999) alchemy, spirituality
- The Essential Ananda K. Coomaraswamy (2003 world wisdom * isbn 094153246) comparative mythology, folklore, religion, symbolism, traditionalism
- The Essential Frithjof Schuon – Seyyed Hossein Nasr (editor) 2005) traditionalism
- The Essential Kabbalah * Daniel C. Matt (isbn 0785808701) kabbalah
- The Essential Seyyed Hossein Nasr (2007) religion, traditionalism
- The Essential Titus Burckhardt (2003) traditionalism
- The Essential Vedanta * Eliot Deutsch & Rohit Dalvi (editors) (2004) religion
- The Everlasting Man * Gilbert Chesteron (1925/2012) comparative religion, religion
- The Fates Of Princes Of Dyfed * Kenneth Morris (Cenydd Morus) (ISBN: 1417980214) celts, theosophy
- The Fenris Wolf 1-3 – Carl Abrahamsson (2020) journal, occulture
- The Ferryman’s Dream * Stewart Bitkoff (2012) novel, spirituality
- The First Alchemists – Tobias Churton (2023) alchemy
- The First Book of Urglaawe Myths * Robert Schreiwer (2014) asatru / heathen, folklore
- The Forge And The Crucible – Mircea Eliade (1956/78) alchemy, comparative religion
- The Freemasons In The Viking Age – Arvid Ystad (2023) asatru / heathen, freemasonry
- The Gatha’s * Hazrat Inayat Khan (isbn 8120807596) religion
- The Golden Bough * James George Frazer (ISBN: 0684826305) comparative mythology
- The Golden Builders – Tobias Churton (2004) esotericism, freemasonry
- The Golden Dawn * Israel Regardi (isbn 0875426638) occultism
- The Grail – two studies – Alexander Jacob (2014) comparative mythology
- The Grand Communication – Nathan Schick (2023) freemasonry
- The Great Knowledge – Maria Kvilhaug (2023) asatru / heathen, mythology
- The Great Triad – René Guénon (1991) comparative religion, traditionalism
- The Greek Magical Papyri in Translation * Hans Dieter Betz (isbn 0226044475) esotericism, occultism
- The Handbook Of Yoruba Religious Concepts * Baba Ifa Karade (isbn 0877287899) religion
- The Heart Of Islam * Seyyed Hossein Nasr (2002) religion, traditionalism
- The Hermetic Journal 1978 alchemy, esotericism, occultism
- The Hermetic Museum – Alchemy & Mysticism * Alexander Roob (isbn 382288653X) esotericism, freemasonry, gnosticism, hermetism, kabbalah, occultism, rosicrucianity, symbolism
- The Hermetic Physician – Daffi / Pantano (2022) biography, esotericism
- The Hermetic Science of Transformation- Giuliano Kremmerz (2019) esotericism
- The Hermetic Tradition * Julius Evola (1995) esotericism, traditionalism
- The Hermetica * Timothy Freke & Peter Gandy (isbn 0874779502) hermetism
- The Hero With A Thousand Faces * Joseph Campbell (1972) comparative mythology
- The Hiram Myth and Master Mason’s initiation – Gérard de Nerval (1851/2024) novel
- The Hittites * O.R. Gurney (1952/1990) history, mythology
- The Impact Of The Kabbala In The Seventeenth Century * A. Coudert (1998) kabbalah
- The Indo-Europeans Rediscovered – J.P. Mallory (2025) history
- The Initiate #1 asatru / heathen, journal, traditionalism