Philosophy of Hatha Yoga - Swami Veda Bharati

Night birds (a collection of short-writings) - Swami Veda Bharati

Meditation (The art and science) - Swami Veda Bharati

A call to humanity - Swami Rama

Living with the Himalayan masters - Swami Rama

Praktische Yoga - Sivananda Yoga Centrum (Uitg. Spectrum - ISBN: 90-274-3054-3) )

Asana, Pranayama, Mudra, Bandha - Swami Satyanananda Saraswati (Bihar school of Yoga - ISBN: 978-81-86336-14-4)

Focus op Yoga - Yoga Vedanta Aalst

The living Gita - Swami Satchidananda (Satchidananda ashram Yogaville - ISBN: 0-932040-27-6)

The heart of Yoga - Developing a personal practice - K.V. Desikachar (Inner traditions International - ISBN: 0-89281-533-7)

Anatomy of Hatha Yoga - Dr H. David Coulter  (Body and Breath Inc. Honesdale USA - ISBN - 0-9707006-0-1)