Other sources

Steve Hagen, The Grand Delusion
J. Krishnamurti, Freedom from the Known
U.G. Krishnamurti, The Mystique of Enlightenment
Alan Watts, The Wisdom Of Insecurity
Douglas Harding, On Having No Head
Salvadore Poe, Liberation IS
John Astin, This Is Always Enough
Darryl Bailey, Dismantling the Fantasy