ISBN 0471845604 books & textbook
Altered States of Consciousness: A Book of Readings
Arnold M. Ludwig Arthur J. Deikman Milton H. Erickson Gerald Vogel M. Bertini David Foulkes Frederik van Eeden Kilton Stewart Charles T. Tart
John Wiley & Sons /1969T Hardcover / 584 Pages
isbn-10: 0471845604 / isbn-13: 9780471845607