Complete Origami by Eric Kenneway 1987 (St. Martin's Griffin)
Origami - from Angelfish to Zen by Peter Engel 1989 (Dover)
Discover origami by Rick Beech 1995 (Hamlyn)
Proceedings of the First International Conference on Origami in Education and Therapy (COET) 1991 -- Edited by John Smith---Published by the British Origami Society 1992
Proceedings of the Second International Conference on Origami in Education and Therapy (COET) 1995 -- Edited by V'Ann Cornelius---Published by the Origami USA 1995