Author: Trevelyan, G.M.
Publisher:Longmans, Green, London
Copyright:1949
Author: Singam, S. Durai Raja
Publisher:Khee Meng Press, Kuala Lumpur
Copyright:1977
Author: Chapekar, Nalinee M.
Publisher:Ajanta Publications, Delhi
Copyright:1977
Author: Ministry of Education, India
Publisher:Ministry of education,India
Copyright:1949
Author: Aiyangar, K.V. Rangaswami
Publisher:Lucknow university
Copyright:1949
Author: Sharma, Rajendra Nath
Publisher:Ajanta Publications, Delhi
Copyright:1977
Author: Alexander, P. C.
Publisher:Annamalai University, Annamalainagar
Copyright:1949
Author: Mahajan, Jagmohan
Publisher:Kitabistan, Allahabad
Copyright:1949
Author: Government of India
Publisher:Government of India, Delhi
Copyright:1949
Author: Mirashi, Vasudev Vishnu
Publisher:Archaeological Survey of India, New Delhi
Copyright:1977