Patanjala Yogadarsan: Maharsi Patanjali ka amara grantha, (in Hindi), anuvadak evam tikakar: Ramcandra Varma Sastri

Patanjali's metaphysical schematic: Purusa and Prakrti in the Yogasutra

by Whicher, Ian

Patanjali's yoga philosophy: based on the teachings of Sri Swami Satchidananda

by Krishnaswami, O.R.

Patanjali's yogasutra-sadhana-pada, 11 lectures in 5 DVDs delivered by Madhusudan Penna on the second chapter of sadhana-pada that addres five outer limbs of astanga-yoga

Patanjali's yogasutra-samadhipada, 27 hours talks in 10 DVDs, with explanation and explanation of every sutra, through the reading of Vyasa-bhasya.

Patanjali's Yogasutra: a psychological study

by Rao, K. Ramakrishna

Patanjalyogasutravrtti of Ramananda, comm. and ed. by Vimala Karnataka

Yog Guru Lahiri Mahashay on spirtualism: Yogasutra of Patanjali, English comm. by Kedar Nath Bandopadhyay

Philosophy of Hindu Sadhana

by Brahma, Nalini Kanta

The concept of yogic liberation: Moksa in Patanjali Yoga

by Pinto, Ian

A broader understanding of Yoga

by Jayantam, S.

Prana Pranayama Prana Vidya, 2nd edition

by Saraswati, Niranjanananda

Pranayama: a classical and traditional approach

by Iyengar, Prashani S.

Pranpratishtha: an awakening, English transl. of `Pranpratishtha: ek chintan' by Rahul Damle

by Om Shree

Rainbow Reiki: expanding the Reiki system with powerful spiritual abilities, Germany, 1997

by Lubeck, Walter

Raja yoga (conquering the internal nature), also Patanjali's yoga aphorisms with commentaries

by Swami Vivekananda

Raja Yoga: yoga of meditation, a means of freedom from suffering, based on the teachings of Sri Swami Satchidananda

by Krishnaswami, O.R.

Secrets of Shaktipat: awakening of Kundalini by the Guru

by Kumar, Ravindra

Reflections upon psycho-spiritual obstacles in Shri Auroindo's integral Yoga: an insider's view

by Vrinte, Joseph

Who is yogi; the science and philosophy of Yogi

by Yogi, Sohahlal Nath