By Robert Anton Wilson
By Picardie, Justine, Picarde
By Natalie Sudman
By Cohen, Alan
By Smith, Guy N.
By Kemp, Martin
By DYCH
By James Hillman
By Gurdjieff, George, Smith, Sally Bedell
By Hasson, Gill
By Matthews, Caitlin
By Sutton, Jan
By Hay, Louise
By Hay, Louise, Hutchinson, Alberta
By Hay, Louise, Perrin-Falquet, Joan
By Herrigel, Eugen, Hull, R.
By Cox, Michael
By Jones, Anne
By De Bono, Edward
By Weems, David, Koonce, G.
By Evans-Pritchard, e. e.
By Greer, John Michael
By Lama, Dalai
By Shine, Betty
By Andrew Harvey
By Francis King
By Kline, Peter, Saunders, Bernhard
By Calleman Ph.D., Carl Johan
By Darke, Karen
By Guy, Henry