Balkar Singh. Sikh rahas vad : anubhuti ate abhiviakti da vishleshanatmak adhyayana / Balkar Singh. - Patiala : Punjabi University, 1987. - xvi, 204p. ; 22cm. ISBN: Rs.25 Subjects--Topical Terms: Spiritual life.Mysticism--Sikhism--India.Mythology, sikh--India. Dewey Class. No.: 294.6