Author: Monro, Margaret T.
Publisher:Longmans Green and Co Ltd, London
Copyright:1945
Author: Bahl, S. L.
Publisher:Narendra Electric Press, New Delhi
Copyright:1952
Author: Mather, Rufus graves
Publisher:Harvard university press,Cambridge
Copyright:1945
Author: Srivastava,H.L
Publisher:Director General, Archaeological Survey of India,New Delhi
Copyright:1952
Author: Joshi,Jagat Pati
Publisher:Archaeological Survey of India,New Delhi
Copyright:1990
Author: Singh, Durlab
Publisher:The Hero Publications, Lahore
Copyright:1945
Author: Strategicus
Publisher:Faber And Faber, London
Copyright:1945
Author: Marshall, Field
Publisher:Univeristy of Chicago Press,Chicago
Copyright:1945
Author: Shukla, Chandrashanker
Publisher:Vora publications, Bombay
Copyright:1945
Author: Mahadevan, T. M. P.
Publisher:University of Madras, Madras
Copyright:1952