Yogi Gupta reference in 1990 Yoga Journal article
Yoga Bible – Lesson 1 – Notes from class given by Yogi Gupta in 1984
Notes from Yogi Gupta’s course on Narayan Kavach.
Well said: http://ncschoolofyoga.com/library/in-memory-Swami-Kailashananda
by Swami Chidananda
by Swami Karunanand
Description of Sandya Vandan from notes of disciples of Yogi Gupta.
Meditation enables you to withdraw your mind and thoughts from the noisy and restless external world and focus within on the peaceful, blissful world of the intellectual frame, on Truth, on Light, on God, on Wisdom.