Author: Cousens, Henry
Publisher:Bharatiya Publishing House, Varanasi
Copyright:1976
Author: Sharma, Rajendra Nath
Publisher:Ajanta Publications, Delhi
Copyright:1977
Author: Mackay, Ernest .J.H.
Publisher:Bharatiya Publishing House, Varanasi
Copyright:1976
Author: Wurm, Alois
Publisher:Ajanta Publications, Delhi
Copyright:1976
Author: Mirashi, Vasudev Vishnu
Publisher:Archaeological Survey of India, New Delhi
Copyright:1977
Author: Sharma, Rabindra Nath
Publisher:Nag Publishers, Delhi
Copyright:1977
Author: Chaudhuri, Nirad C.
Publisher:Jaico Publishing House, Bombay
Copyright:1976
Author: Bower, Hamilton
Publisher:Ratna Pustak Bhandar, Nepal
Copyright:1976
Author: Mackay, Ernest
Publisher:Indological Book Corporation, New Delhi
Copyright:1976
Author: Ashley, Maurice
Publisher:Penguin Books, Harmondsworth
Copyright:1977
Author: Archaeological Survey of India.
Publisher:Archaeological Survey of India,New Delhi
Copyright:1989
Author: Gupta, Anima Sen
Publisher:M.R. Sen, Allahabad
Copyright:1977