Author: Trevelyan, G.M.
Publisher:Longmans, Green, London
Copyright:1949
Author: Kak, Ram Chandra
Publisher:Director General Archaeological Survey of India,New Delhi
Copyright:1998
Author: Ministry of Education, India
Publisher:Ministry of education,India
Copyright:1949
Author: Aiyangar, K.V. Rangaswami
Publisher:Lucknow university
Copyright:1949
Author: Zafar Hasan
Publisher:Director General, Archaeological Survey of India,New Delhi
Copyright:1998
Author: Alexander, P. C.
Publisher:Annamalai University, Annamalainagar
Copyright:1949
Author: Colney, Lalzuia.
Publisher:Lalzuia Colney, Aizawl.
Copyright:1998
Author: Mahajan, Jagmohan
Publisher:Kitabistan, Allahabad
Copyright:1949
Author: Government of India
Publisher:Government of India, Delhi
Copyright:1949