Jeffrey John Kripal, read some of his work before.
Jeffrey John Kripal
https://www.amazon.com/Jeffrey-John-Kripal/e/B001IODIT2%3Fref=dbs_a_mng_rwt_scns_shareThe Serpent's Gift: Gnostic Reflections on the Study of Religion
https://www.amazon.com/gp/product/B002KW4JP8/ref=dbs_a_def_rwt_hsch_vapi_tkin_p1_i5The serpent's gift : gnostic reflections on the study of religion / Jeffrey J. Kripal. (2007)
Hidden intercourse : eros and sexuality in the history of Western esotericism / edited by Wouter J. Hanegraaff and Jeffrey J. Kripal. (2011)
Encountering Kali : in the margins, at the center, in the West / edited by Rachel Fell McDermott and Jeffrey J. Kripal. (2003)
Roads of excess, palaces of wisdom : eroticism & reflexivity in the study of mysticism / Jeffrey J. Kripal. (2001)
Secret body : erotic and esoteric currents in the history of religions / Jeffrey J. Kripal. (2017)
https://en.wikipedia.org/wiki/Jeffrey_J._Kripalhttp://www.realitysandwich.com/blog/jeffrey_j_kripalCults and new religions : a brief history / Douglas E. Cowan, Renison College, University of Waterloo and David G. Bromley, Virginia Commonwealth University. (2015)
Modern Wicca : a history from Gerald Gardner to the present / Michael Howard. (2009)
Witchcraft today / by Gerald B. Gardner ; introduction by Margaret Murray ; with additional material by Judy Harrow ... [et al.] (2004 50th anniversary edition)
Witchcraft today, 60 years on / edited by Trevor Greenfield (2014)
James Webb
https://www.amazon.com/Harmonious-Circle-Gurdjieff-Ouspensky-Followers/dp/0877734275The occult establishment / James Webb. (1976)
The occult underground / James Webb (1988)
The harmonious circle : the lives and work of G. I. Gurdjieff, P. D. Ouspensky, and their followers / by James Webb (1980)
Gurdjieff/de Hartmann Piano Music played by John Allen Watts
https://soundcloud.com/johnallenwatts/sets/gurdjieff-de-hartmann-pianohttps://www.gurdjieff.org/triangle.htmhttps://soundcloud.com/johnallenwatts/kurd-melody-from-isfahan-apr-23-2021?in=johnallenwatts/sets/gurdjieff-de-hartmann-pianohttps://www.hungama.com/song/holy-affirming-holy-denying-holy-reconciling/27834306/Leila Waddell
https://en.wikipedia.org/wiki/Leila_Waddellhttp://www.thelemapedia.org/index.php/Leila_WaddellLeila Waddell - Thelema: A Tone Testament
https://soundcloud.com/phil-legard/leila-waddell-thelema-a-toneGnosticism, Transformation, and the Role of the Feminine in the Gnostic Mass of the Ecclesia Gnostica Catholica (E.G.C.) Ellen P. Randolph (243p pfd)
https://core.ac.uk/download/pdf/46950654.pdf