References
- Bennett, John G., ‘Creative Thinking’. Coombe Springs Press, 1964
- Field, Joanna (Marion Milner), ‘A Life of One's Own’, Virago Press, 1986
- Frits, Robert, ‘The Path of Least Resistance’. Stillpoint Publishing, 1987
- Hawken, Paul, ‘The Magic of Findhorn’. Fontana, 1976
- Laing, R.D., ‘The Politics of Experience and The Bird of Paradise’. Penguin, 1967.