"The Concept of Sahaj in Guru Nanak's Theology and its Antecedents", in "Medieval Bhakti Movements in India", edited by N.N.Bhattacharyya (New Delhi: Munshiram Manoharlal, 1969), pp17–35
«The Concept of Sahaj in Guru Nanak’s Theology and its Antecedents», in "Medieval Bhakti Movements in India", edited by N.N.Bhattacharyya (New Delhi: Munshiram Manoharlal, 1969), pp17-35* Swami Tripurari, "Sahajiya & Rasika", "Sanga", 1999.