Author: J.F., Blacker
Publisher:Indian Reprint Publication Co., New Delhi
Copyright:1975
Author: Bose, Pramatha Nath
Publisher:Asian Publication Services, New Delhi
Copyright:1975
Author: Herzfeld, E
Publisher:Director General, Archaeological Survey of India,New Delhi
Copyright:1998
Author: Basu, Minendra Nath Basu, Malay Nath
Publisher:The World Press, Calcutta
Copyright:1975
Author: Stein,Aurel
Publisher:Director General, Archaeological Survey of India,New Delhi
Copyright:1998
Author: Kak, Ram Chandra
Publisher:Director General Archaeological Survey of India,New Delhi
Copyright:1998
Author: Kohli, Suresh
Publisher:Vikas Publishing House, Delhi
Copyright:1975
Author: Sircar, N. N.
Publisher:The Book Company, Calcutta
Copyright:1988
Author: Bhattacharjee,Arun
Publisher:Ashish Pub. House,New Delhi
Copyright:1988
Author: Dasgupta, Kalpana
Publisher:National Library, Calcutta
Copyright:1988
Author: Zafar Hasan
Publisher:Director General, Archaeological Survey of India,New Delhi
Copyright:1998
Author: Pandeya, Ramchandra
Publisher:Motilal Banarasidass, Delhi
Copyright:1975
Author: Feldman, Edwin B.
Publisher:McGraw-Hill Book, New York
Copyright:1975