Author: Elliot, Daniel Giraud
Publisher:Johnson Reprint Corporation, New York
Copyright:1977
Author: Sufi, G.M.D.
Publisher:Idarah-I Adabiyat-I Delli, Delhi
Copyright:1977
Author: Sivananda, Swami
Publisher:The Divine life Society, Uttar Pradesh
Copyright:1977
Author: Clendinnen,Inga
Publisher:Cambridge University Press, Cambridge
Copyright:1987
Author: Singam, S. Durai Raja
Publisher:Khee Meng Press, Kuala Lumpur
Copyright:1977
Author: Chapekar, Nalinee M.
Publisher:Ajanta Publications, Delhi
Copyright:1977
Author: Sharma, Rajendra Nath
Publisher:Ajanta Publications, Delhi
Copyright:1977
Author: Perti, R.K.
Publisher:National Archives of India, New Delhi
Copyright:1987
Author: Mirashi, Vasudev Vishnu
Publisher:Archaeological Survey of India, New Delhi
Copyright:1977
Author: Joshi,Jagat Pati Parpola,Asko
Publisher:Suomalainen tiedeakatemia, Helsinki
Copyright:1987
Author: Sharma, Rabindra Nath
Publisher:Nag Publishers, Delhi
Copyright:1977
Author: Dash, Bhagwan Kashyap, Lalitesh
Publisher:Concept publishing company, New Delhi
Copyright:1987
Author: Sharma, Bankey Lal
Publisher:Ramanand Vidya Bhawan,New delhi
Copyright:1987
Author: Ashley, Maurice
Publisher:Penguin Books, Harmondsworth
Copyright:1977
Author: Archaeological Survey of India.
Publisher:Archaeological Survey of India,New Delhi
Copyright:1987