1. Origin and Expansion of Buddhism, by Bhikkhu J. Kashyap in The Path of The Buddha. Edited by Kenneth W. Morgan, Motilal Banarsidass, Delhi, 1986.
2. 2,500 Years of Buddhism. General Editor Prof. P. V. Bapat, Ministry of Information and Broadcasting, India, 1956.
3. Buddhist Monks and Monasteries in India, by Sukumar Dutt, Motilal Banarsidass, Delhi, 1988.
4. Buddhist Monuments, by Debala Mitra. Published by Shishu Sahitya Samsad Pvt. Ltd., 32A Acharya Prafulla Chandra Road, Calcutta 9, India.