1.
PSI Search: The Comprehensive Guide to Psychic Phenomena - Norma Bowles - Hardcover
by Bowles, Norma, Hynds, Fran
ISBN: 9780060640835
2.
La Recherche PSI : Le Bilan de la Parapsychological Association
by Norma Bowles, Fran Hynds
ISBN: 9782710301219