The Varieties of Religious Experience, William James

Zen in the Art of Archery, Eugen Herrigel

Mysticism, Evelyn Underhill

Search in Secret India. Paul Brunton

Ramana Maharshi, Arthur Osborne

The Incredible Sai Baba, Arthur Osborne

Politics of Experience, R. D. Laing

Yoga, Youth and Reincarnation, Jess Stearn

The Sleeping Prophet, Jess Stearn

There is a River, Thomas Sugrue

The Man Who Talked with the Flowers, Clark

Function of the Orgasm, Wilhelm Reich

Organism of the Mind, G. Heyer

The Way Within, Rawson

Experiment in Depth, P.W. Martin

The Way of the White Clouds, Anagarika Govinda

The Secret of the Golden Flower, Wilhelm-Jung

The Perfect Way, Kingsford & Maitland

Raja Yoga, Vivekananda

Cosmic Consciousness, R. M. Bucke

Memories Dreams Reflections, Carl Jung

The Wheel of Rebirth, H. K. Challoner

The Life of Ramakrishna, R. Rolland

The Path of Subud, H. Rofe

The Secret Doctrines of Jesus, H. S. Lewis

Everyman’s Mission, Rebecca Beard

The Initiate, His Pupil

Siddartha, H. Hesse

Many Mansions, Gina Cerminara

The Practice of Zen, Chang Chen Chi