Author: Craven, Roy C.
Publisher:Thames and Hudson, London
Copyright:1976
Author: Clendinnen,Inga
Publisher:Cambridge University Press, Cambridge
Copyright:1987
Author: Jasbir Singh
Publisher:Vishal Publications, Kurukshetra
Copyright:1976
Author: Montagu, Edwin Samuel
Publisher:William Heinemann Ltd., London
Copyright:1930
Author: Law,Bimala Churn
Publisher:Bharatiya Publishing House, Delhi
Copyright:1976
Author: Verma, T.P.
Publisher:Nabajiban Press
Copyright:1976
Author: Gai, G.S. Rao, N. Lakshminarayan
Publisher:The Director General, Archaeological Survey of India, New Delhi
Copyright:1976
Author: Cousens, Henry
Publisher:Bharatiya Publishing House, Varanasi
Copyright:1976
Author: Mackay, Ernest .J.H.
Publisher:Bharatiya Publishing House, Varanasi
Copyright:1976
Author: Wurm, Alois
Publisher:Ajanta Publications, Delhi
Copyright:1976
Author: Perti, R.K.
Publisher:National Archives of India, New Delhi
Copyright:1987
Author: Joshi,Jagat Pati Parpola,Asko
Publisher:Suomalainen tiedeakatemia, Helsinki
Copyright:1987
Author: Chaudhuri, Nirad C.
Publisher:Jaico Publishing House, Bombay
Copyright:1976
Author: Dash, Bhagwan Kashyap, Lalitesh
Publisher:Concept publishing company, New Delhi
Copyright:1987
Author: Bower, Hamilton
Publisher:Ratna Pustak Bhandar, Nepal
Copyright:1976